AWD Warning Light does not Come ON [12/2012 - 10/2015]: Procedure

1. Check if CAN communication system DTCs are output.

   Refer to DIAGNOSIS SYSTEM [12/2012 - 11/2013] Refer to DIAGNOSIS SYSTEM [11/2013 - 10/2015]

   HINT: 

   When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.

Result: 

CAN communication system DTC is output 

GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING):  HOW TO PROCEED WITH TROUBLESHOOTING [12/2012 - 10/2015] 

Result: 

CAN communication system DTC is not output 

See step  2

1. Disconnect the G86 4WD ECU assembly connector.
2. Turn the ignition switch to ON.
3. Check that the AWD warning light comes on.

   OK

   AWD warning light comes on.

Result: 

OK 

REPLACE 4WD ECU ASSEMBLY:  REMOVAL [12/2012 - ] 

Result: 

NG 

GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING):  HOW TO PROCEED WITH TROUBLESHOOTING [12/2012 - ]