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4WD Control ECU Communication Stop Mode








CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: 4WD Control ECU Communication Stop Mode

4WD Control ECU Communication Stop Mode

DESCRIPTION





HINT:
"Four Wheel Drive Control" refers to the circuit that includes the 4WD control ECU.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK OPEN IN CAN BUS WIRE (4WD CONTROL ECU BRANCH LINE)
(a) Turn the engine switch off.
(b) Disconnect the 4WD control ECU connector.




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






NG -- REPAIR OR REPLACE 4WD CONTROL ECU BRANCH WIRE OR CONNECTOR (CANH, CANL)
OK -- Continue to next step.
2. CHECK WIRE HARNESS (IG1, GND)




(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:





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






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE 4WD CONTROL ECU