Charging System: Inspection

Inspection when charge warning light illuminates 

1. CHECK DTC  .
   1. Turn the ignition switch to ON.
   2. Using the Subaru Select Monitor, read all DTCs. Ref. to LAN SYSTEM (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

   Is DTC detected?

   Yes:  Perform the diagnosis for the displayed DTCs.

   No:  Go to  2.

2. CHECK V-BELT  .

   Check the V-belt for abnormalities. Ref. to MECHANICAL (H4DO)>V-BELT>INSPECTION .

   Is the V-belt normal?

   Yes:  Go to  3.

   No:  Replace the V-belt, V-belt tensioner assembly or idler pulley. Ref. to MECHANICAL (H4DO)>V-BELT .

3. CHECK VOLTAGE OF GENERATOR TERMINAL B  .

   Check the voltage of the generator terminal B.

   Is the battery voltage applied?

   Yes:  Go to  4.

   No:  Repair the harness between generator and MAIN SBF.

4. CHECK CONTINUITY BETWEEN GENERATOR MAIN BODY AND CHASSIS GROUND  .

   Check continuity between generator main body and chassis ground.

   Is there continuity?

   Yes:  Go to  5.

   No:  Check and repair the installation condition of the generator, chassis ground and engine ground. Ref. to STARTING/CHARGING SYSTEMS (H4DO)>GENERATOR .

5. CHECK COMBINATION METER  .

   Using the Subaru Select Monitor, perform the diagnosis of combination meter. Ref. to COMBINATION METER (DIAGNOSTICS)>ACTIVE TEST .

   Is the charge warning light OK?

   Yes:  Repair or replace the generator. Ref. to STARTING/CHARGING SYSTEMS (H4DO)>GENERATOR .

   No:  Replace the combination meter. Ref. to INSTRUMENTATION/DRIVER INFO>COMBINATION METER .