ECM Communication Stop Mode
NETWORKING: CAN COMMUNICATION SYSTEM: ECM Communication Stop Mode
- ECM Communication Stop Mode
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
Inspect the fuses for circuits related to this system before performing the following 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:
Text in Illustration
Result
D -- REPAIR OR REPLACE HARNESS OR CONNECTOR
C -- REPLACE ECM Removal
B -- REPLACE ECM Removal
A -- REPLACE ECM Removal