Test H: The Defrost System Is Inoperative - ON Indicator

PINPOINT TEST H: THE DEFROST SYSTEM IS INOPERATIVE - ON INDICATOR

H1-H4:

H4 Continued:

Normal Operation
When the rear window defrost relay is energized, switched voltage is supplied to the rear window defrost switch indicator through circuit 59 (DG/VT). The switch is grounded through circuit 57 (BK).

Possible Causes
- Fuse
- Circuit 57 (BK) open
- Circuit 59 (DG/VT) open
- Circuit 186 (BN/LB) open
- Rear window defrost switch