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:

 Relay

InspectionINSPECTION PROCEDURE 1. INSPECT ST RELAY (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 3 - 5 Battery voltage not applied to terminals 1 and 2 10 kΩ

 Components

COMPONENTS ILLUSTRATION *1 COWL SIDE TRIM BOARD LH *2 FRONT DOOR OPENING TRIM COVER LH *3 FRONT DOOR SCUFF PLATE LH *4 INSTRUMENT PANEL FINISH PANEL END LH *5 INSTRUMENT SIDE PANEL LH *6 LOWER INSTRUMENT PANEL *7 LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY

© 2016-2024 Copyright www.lexguide.net