Lexus ES: Terminals Of Ecu
Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Telematics / Telematics System (for Hv Model) / Terminals Of Ecu
TERMINALS OF ECU
HINT:
Check from the rear of the connector while it is connected to the components.
DCM (TELEMATICS TRANSCEIVER)
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| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| G128-1 (+B) - G128-20 (E) | GR - W-B | Power source (+B) | Power 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) | Power switch on (IG) | 11 to 14 V |
| Power 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)
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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 power 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
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Parking Assist ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Parking Assist ECU Communication Stop Mode Any of the following conditions are met:
Communication stop for "Panoramic View Monitor / Circumference Monitoring Camera Control Module" is indicated on the "Communication Bus Check" screen of
Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. REMOVE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH REAR DOOR UPPER ARMREST BASE PANEL Click here 2. REMOVE REAR DOOR TRIM UPPER PAD Clic
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