ECM Communication Stop Mode

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: ECM Communication Stop Mode
- ECM Communication Stop Mode

DESCRIPTION





HINT
"Engine" and "ECT" refer to the circuit that includes the ECM.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK ECM POWER SOURCE CIRCUIT

(a) Check the ECM power source circuit (2GR-FSE: ECM Power Source Circuit, 4GR-FSE: ECM Power Source Circuit).

HINT
If there is no abnormality in the ECM power source circuit, replace the ECM.

NG -- REPAIR OR REPLACE ECM POWER SOURCE CIRCUIT

OK -- REPLACE ECM