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ECM Communication Stop Mode








NETWORKING: CAN COMMUNICATION SYSTEM: ECM Communication Stop Mode

ECM Communication Stop Mode

DESCRIPTION





WIRING DIAGRAM









INSPECTION PROCEDURE

HINT: Operating the ignition 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 A27 and D56 ECM 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:





Result





D -- REPAIR OR REPLACE HARNESS OR CONNECTOR
C -- REPLACE ECM
B -- REPLACE ECM
A -- REPLACE ECM