DTC B1475: A/C Inverter Load

DTC detecting condition:

When the A/C inverter load system is faulty.

Trouble symptom:

Compressor does not operate.

CAUTION:

Inspect LAN system before performing diagnosis, and make sure that there is no fault in LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>BASIC DIAGNOSTIC PROCEDURE .
Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to AIR CONDITIONER (DIAGNOSTICS) (HEV)>GENERAL DESCRIPTION>CAUTION .

ACTIVE TEST .
1. Turn the ignition switch to ON.
2. Using the Subaru Select Monitor, check the following items in the [Active Test] of [Engine]. Ref. to ENGINE (DIAGNOSTICS) (H4DO(HEV))>ACTIVE TEST .
  - Radiator Fan Relay
Does the radiator fan operate with [Radiator Fan Relay] set to ON?

Yes: Go to 2.

No: Ref. to COOLING (H4DO(HEV))>RADIATOR FAN SYSTEM .
CHECK AMOUNT OF REFRIGERANT .
Check the refrigerant pressure and filling amount. Ref. to AIR CONDITIONER (HEV)>REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET .

Is the filling amount of refrigerant OK?

Yes: Replace Electric compressor ASSEMBLY. Ref. to AIR CONDITIONER (HEV)> COMPRESSOR .

No: Fill or collect refrigerant so that specified filling amount of refrigerant is obtained.