Lexus ES manuals

Lexus ES: Terminals Of Ecu

TERMINALS OF ECU

CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)

(a) Disconnect the P22 sliding roof ECU (sliding roof drive gear sub-assembly) connector.

(b) Measure the resistance and voltage 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

P22-1 (B) - P22-2 (E)

B - W-B

Battery power supply

Engine switch off

11 to 14 V

P22-2 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

(c) Reconnect the P22 sliding roof ECU (sliding roof drive gear sub-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

P22-10 (OPN) - P22-2 (E)

W - W-B

Sliding roof motor open

Engine switch on (IG), OPEN switch on

Below 1 V

P22-10 (OPN) - P22-2 (E)

W - W-B

Sliding roof motor open

Engine switch on (IG), OPEN switch off

11 to 14 V

P22-8 (CLS) - P22-2 (E)

SB - W-B

Sliding roof motor close

Engine switch on (IG), CLOSE switch on

Below 1 V

P22-8 (CLS) - P22-2 (E)

SB - W-B

Sliding roof motor close

Engine switch on (IG), CLOSE switch off

11 to 14 V

P22-5 (UP) - P22-2 (E)

R - W-B

Sliding roof motor up

Engine switch on (IG), UP switch on

Below 1 V

P22-5 (UP) - P22-2 (E)

R - W-B

Sliding roof motor up

Engine switch on (IG), UP switch off

11 to 14 V

P22-9 (DWN) - P22-2 (E)

LG - W-B

Sliding roof motor down

Engine switch on (IG), DOWN switch on

Below 1 V

P22-9 (DWN) - P22-2 (E)

LG - W-B

Sliding roof motor down

Engine switch on (IG), DOWN switch off

11 to 14 V

CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Click here

READ NEXT:

 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION (a) Sliding roof system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfunctioning,

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Sliding Roof / Trou

 Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. Th

SEE MORE:

 Front passenger occupant classification system

Your vehicle is equipped with a front passenger occupant classification system. This system detects the conditions of the front passenger seat and activates or deactivates the front passenger airbag, and front passenger knee airbag. System components Driver's and front passenger's seat

 Inspection

INSPECTION PROCEDURE 1. INSPECT EGR VALVE ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 (EGA+) - 2 (EGA-) 20°C (68°F) 3.1 to 3.7 Ω 3 (EGB-) - 4 (EGB+) If the result

© 2016-2024 Copyright www.lexguide.net