Lexus ES manuals

Lexus ES: Terminals Of Ecu

TERMINALS OF ECU

CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

(a) Disconnect the J20 multiplex network master switch assembly connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

J20-11 (B) - J20-12 (GND)

LA-R - W-B

Power supply

Power switch off

11 to 14 V

J20-12 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

(c) Reconnect the J20 multiplex network master switch assembly connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

J20-15 (DOWN) - J20-12 (GND)

LA-V - W-B

Power window motor DOWN output

Power switch on (IG), driver door power window regulator switch not pushed or not pulled

11 to 14 V

J20-15 (DOWN) - J20-12 (GND)

LA-V - W-B

Power window motor DOWN output

Power switch on (IG), driver door power window moving, driver door power window regulator switch pushed halfway down (Manual operation)

Below 1 V

J20-20 (UP) - J20-12 (GND)

LA-L - W-B

Power window motor UP output

Power switch on (IG), driver door power window regulator switch not pushed or not pulled

11 to 14 V

J20-20 (UP) - J20-12 (GND)

LA-L - W-B

Power window motor UP output

Power switch on (IG), driver door power window moving, driver door power window regulator switch pulled halfway up (Manual operation)

Below 1 V

CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY

(a) Disconnect the J3 power window regulator switch assembly connector.

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

J3-7 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

(c) Reconnect the J3 power window regulator switch assembly connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

J3-5 (UP) - J3-7 (GND)

LA-W - W-B

Power window motor UP output

Power switch on (IG), power window regulator switch assembly not pushed or not pulled

11 to 14 V

J3-5 (UP) - J3-7 (GND)

LA-W - W-B

Power window motor UP output

Power switch on (IG), front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation)

Below 1 V

J3-5 (UP) - J3-7 (GND)

LA-W - W-B

Power window motor UP output

Power switch on (IG), front passenger door power window fully open

11 to 14 V

J3-5 (UP) - J3-7 (GND)

LA-W - W-B

Power window motor UP output

Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation)

Below 1 V

J3-5 (UP) - J3-7 (GND)

LA-W - W-B

Power window motor UP output

Power switch on (IG), front passenger door power window fully closed

11 to 14 V

J3-4 (DOWN) - J3-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), power window regulator switch assembly not pushed or not pulled

11 to 14 V

J3-4 (DOWN) - J3-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation)

Below 1 V

J3-4 (DOWN) - J3-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), front passenger door power window fully closed

11 to 14 V

J3-4 (DOWN) - J3-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation)

Below 1 V

J3-4 (DOWN) - J3-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), front passenger door power window fully open

11 to 14 V

J3-8 (AUTO) - J3-7 (GND)

LA-G - W-B

Power window motor AUTO UP output

Power switch on (IG), front passenger door power window fully open

11 to 14 V

J3-8 (AUTO) - J3-7 (GND)

LA-G - W-B

Power window motor AUTO UP output

Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation)

Below 1 V

J3-8 (AUTO) - J3-7 (GND)

LA-G - W-B

Power window motor AUTO UP output

Power switch on (IG), front passenger door power window fully closed

11 to 14 V

J3-8 (AUTO) - J3-7 (GND)

LA-G - W-B

Power window motor AUTO DOWN output

Power switch on (IG), front passenger door power window fully closed

11 to 14 V

J3-8 (AUTO) - J3-7 (GND)

LA-G - W-B

Power window motor AUTO DOWN output

Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation)

Below 1 V

J3-8 (AUTO) - J3-7 (GND)

LA-G - W-B

Power window motor AUTO DOWN output

Power switch on (IG), front passenger door power window fully open

11 to 14 V

CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR LH DOOR)

(a) Disconnect the L7 rear power window regulator switch assembly (for LH door) connector.

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

L7-7 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

(c) Reconnect the L7 rear power window regulator switch assembly (for LH door) connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

L7-5 (UP) - L7-7 (GND)

LA-B - W-B

Power window motor UP output

Power switch on (IG), rear power window regulator switch assembly (for LH door) not pushed or not pulled

11 to 14 V

L7-5 (UP) - L7-7 (GND)

LA-B - W-B

Power window motor UP output

Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) pulled halfway up (Manual operation)

Below 1 V

L7-5 (UP) - L7-7 (GND)

LA-B - W-B

Power window motor UP output

Power switch on (IG), rear LH door power window fully open

11 to 14 V

L7-5 (UP) - L7-7 (GND)

LA-B - W-B

Power window motor UP output

Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation)

Below 1 V

L7-5 (UP) - L7-7 (GND)

LA-B - W-B

Power window motor UP output

Power switch on (IG), rear LH door power window fully closed

11 to 14 V

L7-4 (DOWN) - L7-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), rear power window regulator switch assembly (for LH door) not pushed or not pulled

11 to 14 V

L7-4 (DOWN) - L7-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) pushed halfway down (Manual operation)

Below 1 V

L7-4 (DOWN) - L7-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), rear LH door power window fully closed

11 to 14 V

L7-4 (DOWN) - L7-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation)

Below 1 V

L7-4 (DOWN) - L7-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), rear LH door power window fully open

11 to 14 V

L7-8 (AUTO) - L7-7 (GND)

LA-GR - W-B

Power window motor AUTO UP output

Power switch on (IG), rear LH door power window fully open

11 to 14 V

L7-8 (AUTO) - L7-7 (GND)

LA-GR - W-B

Power window motor AUTO UP output

Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation)

Below 1 V

L7-8 (AUTO) - L7-7 (GND)

LA-GR - W-B

Power window motor AUTO UP output

Power switch on (IG), rear LH door power window fully closed

11 to 14 V

L7-8 (AUTO) - L7-7 (GND)

LA-GR - W-B

Power window motor AUTO DOWN output

Power switch on (IG), rear LH door power window fully closed

11 to 14 V

L7-8 (AUTO) - L7-7 (GND)

LA-GR - W-B

Power window motor AUTO DOWN output

Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation)

Below 1 V

L7-8 (AUTO) - L7-7 (GND)

LA-GR - W-B

Power window motor AUTO DOWN output

Power switch on (IG), rear LH door power window fully open

11 to 14 V

CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR RH DOOR)

(a) Disconnect the L1 rear power window regulator switch assembly (for RH door) connector.

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

L1-7 (GND) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

(c) Reconnect the L1 rear power window regulator switch assembly (for RH door) connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

L1-5 (UP) - L1-7 (GND)

LA-B - W-B

Power window motor UP output

Power switch on (IG), rear power window regulator switch assembly (for RH door) not pushed or not pulled

11 to 14 V

L1-5 (UP) - L1-7 (GND)

LA-B - W-B

Power window motor UP output

Power switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) pulled halfway up (Manual operation)

Below 1 V

L1-5 (UP) - L1-7 (GND)

LA-B - W-B

Power window motor UP output

Power switch on (IG), rear RH door power window fully open

11 to 14 V

L1-5 (UP) - L1-7 (GND)

LA-B - W-B

Power window motor UP output

Power switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation)

Below 1 V

L1-5 (UP) - L1-7 (GND)

LA-B - W-B

Power window motor UP output

Power switch on (IG), rear RH door power window fully closed

11 to 14 V

L1-4 (DOWN) - L1-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), rear power window regulator switch assembly (for RH door) not pushed or not pulled

11 to 14 V

L1-4 (DOWN) - L1-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) pushed halfway down (Manual operation)

Below 1 V

L1-4 (DOWN) - L1-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), rear RH door power window fully closed

11 to 14 V

L1-4 (DOWN) - L1-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation)

Below 1 V

L1-4 (DOWN) - L1-7 (GND)

LA-R - W-B

Power window motor DOWN output

Power switch on (IG), rear RH door power window fully open

11 to 14 V

L1-8 (AUTO) - L1-7 (GND)

LA-GR - W-B

Power window motor AUTO UP output

Power switch on (IG), rear RH door power window fully open

11 to 14 V

L1-8 (AUTO) - L1-7 (GND)

LA-GR - W-B

Power window motor AUTO UP output

Power switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation)

Below 1 V

L1-8 (AUTO) - L1-7 (GND)

LA-GR - W-B

Power window motor AUTO UP output

Power switch on (IG), rear RH door power window fully closed

11 to 14 V

L1-8 (AUTO) - L1-7 (GND)

LA-GR - W-B

Power window motor AUTO DOWN output

Power switch on (IG), rear RH door power window fully closed

11 to 14 V

L1-8 (AUTO) - L1-7 (GND)

LA-GR - W-B

Power window motor AUTO DOWN output

Power switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation)

Below 1 V

L1-8 (AUTO) - L1-7 (GND)

LA-GR - W-B

Power window motor AUTO DOWN output

Power switch on (IG), rear RH door power window fully open

11 to 14 V

CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR)

(a) Disconnect the J27 power window regulator motor assembly (for driver door) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

J27-1 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

J27-2 (B) - Body ground

GR - Body ground

Power supply

Power switch off

11 to 14 V

(c) Reconnect the J27 power window regulator motor assembly (for driver door) connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

J27-7 (DWN1) - J27-1 (E)

LA-V - W-B

Power window motor DOWN input

Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or not pulled

11 to 14 V

J27-7 (DWN1) - J27-1 (E)

LA-V - W-B

Power window motor DOWN input

Power switch on (IG), driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) pushed halfway down (Manual operation)

Below 1 V

J27-7 (DWN1) - J27-1 (E)

LA-V - W-B

Power window motor DOWN input

Power switch on (IG), driver door power window fully closed

11 to 14 V

J27-7 (DWN1) - J27-1 (E)

LA-V - W-B

Power window motor DOWN input

Power switch on (IG), driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pushed down (Auto operation)

Below 1 V

J27-7 (DWN1) - J27-1 (E)

LA-V - W-B

Power window motor DOWN input

Power switch on (IG), driver door power window fully open

11 to 14 V

J27-10 (UP1) - J27-1 (E)

LA-L - W-B

Power window motor UP input

Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) not pushed or not pulled

11 to 14 V

J27-10 (UP1) - J27-1 (E)

LA-L - W-B

Power window motor UP input

Power switch on (IG), driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) pulled halfway up (Manual operation)

Below 1 V

J27-10 (UP1) - J27-1 (E)

LA-L - W-B

Power window motor UP input

Power switch on (IG), multiplex network master switch assembly (driver door power window regulator switch) fully open

11 to 14 V

J27-10 (UP1) - J27-1 (E)

LA-L - W-B

Power window motor UP input

Power switch on (IG), driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pulled up (Auto operation)

Below 1 V

J27-10 (UP1) - J27-1 (E)

LA-L - W-B

Power window motor UP input

Power switch on (IG), driver door power window fully closed

11 to 14 V

CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR FRONT PASSENGER DOOR)

(a) Disconnect the J5 power window regulator motor assembly (for front passenger door) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

J5-1 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

J5-2 (B) - Body ground

GR - Body ground

Power supply

Power switch off

11 to 14 V

(c) Reconnect the J5 power window regulator motor assembly (for front passenger door) connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

J5-4 (AUTO) - J5-1 (E)

LA-G - W-B

Power window motor AUTO UP input

Power switch on (IG), front passenger door power window fully open

11 to 14 V

J5-4 (AUTO) - J5-1 (E)

LA-G - W-B

Power window motor AUTO UP input

Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation)

Below 1 V

J5-4 (AUTO) - J5-1 (E)

LA-G - W-B

Power window motor AUTO UP input

Power switch on (IG), front passenger door power window fully closed

11 to 14 V

J5-4 (AUTO) - J5-1 (E)

LA-G - W-B

Power window motor AUTO DOWN input

Power switch on (IG), front passenger door power window fully closed

11 to 14 V

J5-4 (AUTO) - J5-1 (E)

LA-G - W-B

Power window motor AUTO DOWN input

Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation)

Below 1 V

J5-4 (AUTO) - J5-1 (E)

LA-G - W-B

Power window motor AUTO DOWN input

Power switch on (IG), front passenger door power window fully open

11 to 14 V

J5-7 (DWN1) - J5-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), power window regulator switch assembly not pushed or not pulled

11 to 14 V

J5-7 (DWN1) - J5-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation)

Below 1 V

J5-7 (DWN1) - J5-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), front passenger door power window fully closed

11 to 14 V

J5-7 (DWN1) - J5-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation)

Below 1 V

J5-7 (DWN1) - J5-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), front passenger door power window fully open

11 to 14 V

J5-10 (UP1) - J5-1 (E)

LA-W - W-B

Power window motor UP input

Power switch on (IG), power window regulator switch assembly not pushed or not pulled

11 to 14 V

J5-10 (UP1) - J5-1 (E)

LA-W - W-B

Power window motor UP input

Power switch on (IG), front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation)

Below 1 V

J5-10 (UP1) - J5-1 (E)

LA-W - W-B

Power window motor UP input

Power switch on (IG), front passenger door power window fully open

11 to 14 V

J5-10 (UP1) - J5-1 (E)

LA-W - W-B

Power window motor UP input

Power switch on (IG), front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation)

Below 1 V

J5-10 (UP1) - J5-1 (E)

LA-W - W-B

Power window motor UP input

Power switch on (IG), front passenger door power window fully closed

11 to 14 V

CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR)

(a) Disconnect the L10 power window regulator motor assembly (for rear LH door) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

L10-1 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

L10-2 (B) - Body ground

B - Body ground

Power supply

Power switch off

11 to 14 V

(c) Reconnect the L10 power window regulator motor assembly (for rear LH door) connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

L10-4 (AUTO) - L10-1 (E)

LA-GR - W-B

Power window motor AUTO UP input

Power switch on (IG), rear LH door power window fully open

11 to 14 V

L10-4 (AUTO) - L10-1 (E)

LA-GR - W-B

Power window motor AUTO UP input

Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation)

Below 1 V

L10-4 (AUTO) - L10-1 (E)

LA-GR - W-B

Power window motor AUTO UP input

Power switch on (IG), rear LH door power window fully closed

11 to 14 V

L10-4 (AUTO) - L10-1 (E)

LA-GR - W-B

Power window motor AUTO DOWN input

Power switch on (IG), rear LH door power window fully closed

11 to 14 V

L10-4 (AUTO) - L10-1 (E)

LA-GR - W-B

Power window motor AUTO DOWN input

Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation)

Below 1 V

L10-4 (AUTO) - L10-1 (E)

LA-GR - W-B

Power window motor AUTO DOWN input

Power switch on (IG), rear LH door power window fully open

11 to 14 V

L10-7 (DWN1) - L10-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), rear power window regulator switch assembly (for LH door) not pushed or not pulled

11 to 14 V

L10-7 (DWN1) - L10-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) pushed halfway down (Manual operation)

Below 1 V

L10-7 (DWN1) - L10-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), rear LH door power window fully closed

11 to 14 V

L10-7 (DWN1) - L10-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation)

Below 1 V

L10-7 (DWN1) - L10-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), rear LH door power window fully open

11 to 14 V

L10-10 (UP1) - L10-1 (E)

LA-B - W-B

Power window motor UP input

Power switch on (IG), rear power window regulator switch assembly (for LH door) not pushed or not pulled

11 to 14 V

L10-10 (UP1) - L10-1 (E)

LA-B - W-B

Power window motor UP input

Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) pulled halfway up (Manual operation)

Below 1 V

L10-10 (UP1) - L10-1 (E)

LA-B - W-B

Power window motor UP input

Power switch on (IG), rear LH door power window fully open

11 to 14 V

L10-10 (UP1) - L10-1 (E)

LA-B - W-B

Power window motor UP input

Power switch on (IG), rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation)

Below 1 V

L10-10 (UP1) - L10-1 (E)

LA-B - W-B

Power window motor UP input

Power switch on (IG), rear LH door power window fully closed

11 to 14 V

CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR RH DOOR)

(a) Disconnect the L4 power window regulator motor assembly (for rear RH door) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

L4-1 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

L4-2 (B) - Body ground

B - Body ground

Power supply

Power switch off

11 to 14 V

(c) Reconnect the L4 power window regulator motor assembly (for rear RH door) connector.

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

L4-4 (AUTO) - L4-1 (E)

LA-GR - W-B

Power window motor AUTO UP input

Power switch on (IG), rear RH door power window fully open

11 to 14 V

L4-4 (AUTO) - L4-1 (E)

LA-GR - W-B

Power window motor AUTO UP input

Power switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation)

Below 1 V

L4-4 (AUTO) - L4-1 (E)

LA-GR - W-B

Power window motor AUTO UP input

Power switch on (IG), rear RH door power window fully closed

11 to 14 V

L4-4 (AUTO) - L4-1 (E)

LA-GR - W-B

Power window motor AUTO DOWN input

Power switch on (IG), rear RH door power window fully closed

11 to 14 V

L4-4 (AUTO) - L4-1 (E)

LA-GR - W-B

Power window motor AUTO DOWN input

Power switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation)

Below 1 V

L4-4 (AUTO) - L4-1 (E)

LA-GR - W-B

Power window motor AUTO DOWN input

Power switch on (IG), rear RH door power window fully open

11 to 14 V

L4-7 (DWN1) - L4-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), rear power window regulator switch assembly (for RH door) not pushed or not pulled

11 to 14 V

L4-7 (DWN1) - L4-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) pushed halfway down (Manual operation)

Below 1 V

L4-7 (DWN1) - L4-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), rear RH door power window fully closed

11 to 14 V

L4-7 (DWN1) - L4-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation)

Below 1 V

L4-7 (DWN1) - L4-1 (E)

LA-R - W-B

Power window motor DOWN input

Power switch on (IG), rear RH door power window fully open

11 to 14 V

L4-10 (UP1) - L4-1 (E)

LA-B - W-B

Power window motor UP input

Power switch on (IG), rear power window regulator switch assembly (for RH door) not pushed or not pulled

11 to 14 V

L4-10 (UP1) - L4-1 (E)

LA-B - W-B

Power window motor UP input

Power switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) pulled halfway up (Manual operation)

Below 1 V

L4-10 (UP1) - L4-1 (E)

LA-B - W-B

Power window motor UP input

Power switch on (IG), rear RH door power window fully open

11 to 14 V

L4-10 (UP1) - L4-1 (E)

LA-B - W-B

Power window motor UP input

Power switch on (IG), rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation)

Below 1 V

L4-10 (UP1) - L4-1 (E)

LA-B - W-B

Power window motor UP input

Power switch on (IG), rear RH door power window fully closed

11 to 14 V

CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

(a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

Click here

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connectors connected.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G36-19 (GND2) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

(c) Reconnect the instrument panel junction block assembly connectors.

(d) Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

MB-11 (GND1) - Body ground

-

Ground

Always

Below 1 Ω

MB-31 (BECU) - Body ground

-

Auxiliary battery power supply

Power switch off

11 to 14 V

MB-30 (ACC) - Body ground

-

ACC power supply

Power switch on (ACC)

11 to 14 V

MB-30 (ACC) - Body ground

-

ACC power supply

Power switch off

Below 1 V

MB-32 (IG) - Body ground

-

IG power supply

Power switch on (IG)

11 to 14 V

MB-32 (IG) - Body ground

-

IG power supply

Power switch off or on (ACC)

Below 1 V

(e) Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.

Click here

(f) Measure the voltage and check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G37-1 (FLCY) - Body ground

W - Body ground

Front door courtesy light switch (for LH) input

Front door LH open

Below 1 V

G37-1 (FLCY) - Body ground

W - Body ground

Front door courtesy light switch (for LH) input

Front door LH closed

11 to 14 V

G37-6 (FRCY) - Body ground

BE - Body ground

Front door courtesy light switch (for RH) input

Front door RH open

Below 1 V

G37-6 (FRCY) - Body ground

BE - Body ground

Front door courtesy light switch (for RH) input

Front door RH closed

11 to 14 V

G38-18 (L2) - Body ground

LG - Body ground

Driver door key-linked lock input

Driver door key cylinder turned to lock

Below 1 V

G38-18 (L2) - Body ground

LG - Body ground

Driver door key-linked lock input

Driver door key cylinder not turned

11 to 14 V

G38-17 (UL3) - Body ground

SB - Body ground

Driver door key-linked unlock input

Driver door key cylinder turned to unlock

Below 1 V

G38-17 (UL3) - Body ground

SB - Body ground

Driver door key-linked unlock input

Driver door key cylinder not turned

11 to 14 V

READ NEXT:

 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION (a) Power window control system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfunct

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / (desired system) / T

 Fail-safe Chart

FAIL-SAFE CHART PULSE FAILURE (a) If a pulse sensor built into the power window regulator motor assembly malfunctions, the following power window operations will be prohibited. Multiplex Network Maste

SEE MORE:

 Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during transmission control cable assembly removal/installation are shown below. Necessary Procedures After Par

 Components

COMPONENTS ILLUSTRATION *A for Driver Side *B for Front Passenger Side *1 COURTESY LIGHT ASSEMBLY *2 FRONT DOOR TRIM BOARD SUB-ASSEMBLY *3 MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY WITH FRONT DOOR UPPER ARMREST BASE PANEL *4 NO. 2 DOOR TRIM PAD *5 POWER WINDOW REGU

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