Hybrid Vehicle Control ECU Communication Stop Mode

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Hybrid Vehicle Control ECU Communication Stop Mode

Hybrid Vehicle Control ECU Communication Stop Mode

DESCRIPTION





WIRING DIAGRAM





INSPECTION PROCEDURE
HINT: Operating the power switch, any switches or any doors triggers related ECU and sensor communication with the CAN, which causes resistance variation.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - BATTERY AND BODY GROUND)





(a) Disconnect the A74, A76, A75 and E55 hybrid vehicle control ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:





(c) Measure the voltage according to the value(s) in the table below.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE HYBRID VEHICLE CONTROL ECU