ECM Communication Stop Mode

NETWORKING: CAN COMMUNICATION SYSTEM: ECM Communication Stop Mode

ECM Communication Stop Mode

DESCRIPTION





WIRING DIAGRAM





INSPECTION PROCEDURE
HINT: Operating the engine 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 (ECM - BATTERY AND BODY GROUND)





(a) Disconnect the A38 and C53 ECU connectors.
(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 ECM