B1474

AIR CONDITIONING SYSTEM: B1474/74: A/C Inverter Malfunction

DTC B1474/74 - A/C Inverter Malfunction

DESCRIPTION





INSPECTION PROCEDURE

PROCEDURE

1. CHECK MULTIPLEX COMMUNICATION SYSTEM
(a) Use the Techstream to check if the Multiplex Communication System is functioning normally.
Result:






B -- GO TO MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.
2. CHECK CAN COMMUNICATION SYSTEM
(a) Use the Techstream to check if the CAN Communication System is functioning normally.
Result:






B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- REPLACE W/MOTOR COMPRESSOR ASSEMBLY