Lexus ES manuals

Lexus ES: Terminals Of Ecu

TERMINALS OF ECU

HINT:

Check from the rear of the connector while it is connected to the components.

DCM (TELEMATICS TRANSCEIVER)

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

G128-1 (+B) - G128-20 (E)

GR - W-B

Power source (+B)

Engine switch off

11 to 14 V

G128-20 (E) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

G128-19 (IG2) - G128-20 (E)

P - W-B

Power source (IG)

Engine switch on (IG)

11 to 14 V

Engine switch off

Below 1 V

G128-25 (CANP)

R

CAN communication signal

-

-

G128-26 (CANN)

W

CAN communication signal

-

-

G128-30 (SLPD) - G128-20 (E)

SB - W-B

Steering lock bar position signal

Steering locked

11 to 14 V

Steering unlocked

Below 1.5 V

CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

Click here

READ NEXT:

 Lost Communication with Body Control Module Missing Message (U014087,U015587,U016387)

DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. DTC No. Detection Item DTC Detection Condition Trouble Area U014087 Lost Communication with

 Utility

UTILITY CANCEL COMMUNICATION FUNCTION PAUSING HINT: This function is used to cancel communication function pausing mode. (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c)

 Warning Notification Function Malfunction

PROCEDURE 1. CHECK PROBLEM SYMPTOM (WARNING NOTIFICATION FUNCTION) (a) Check the problem symptom. (1) Check the problem symptom of the warning notification function. Result Proceed to

SEE MORE:

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Automatic Transaxle System DTC No. Detection Item MIL Memory Note Link P050031 Vehicle Speed Sensor "A" No Signal Comes on DTC stored SAE Code: P0500 P056014 System Voltage Circuit Short to Ground or Open Comes on DTC stored SAE

 Removal

REMOVAL PROCEDURE 1. REMOVE FRONT WHEEL RH Click here 2. REMOVE FRONT FENDER APRON SEAL RH Click here 3. REMOVE V-BANK COVER SUB-ASSEMBLY Click here 4. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 1) Click here 5. SET NO. 1 CYLINDER TO TDC/COMPRESSION

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