B1477

AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1477/77: A/C Inverter Low Voltage Power Resource System Malfunction
B1477/77 - A/C Inverter Low Voltage Power Resource System Malfunction

DESCRIPTION

The compressor with motor assembly monitors the controlling power voltage in the circuit. It stops the compressor circuit and outputs the DTC when the monitored voltage is outside the specified range.

The output DTC is memorized as a past DTC. The compressor control may not resume unless the power switch is turned off.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC (CAN COMMUNICATION SYSTEM)

(a) Check if DTCs for the CAN communication system are output using the Techstream Diagnosis System.

Result





B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting

A -- REPLACE COMPRESSOR WITH MOTOR ASSEMBLY Removal