Operation CHARM: Car repair manuals for everyone.

Checking Radiator Fan Operation With No DTCs

Test 1 - 4:




Test 5 - 9:






SYMPTOM
CHECKING RADIATOR FAN OPERATION WITH NO DTCS

POSSIBLE CAUSES
- (C24) fused b+ circuit
- (K173) radiator fan relay control circuit
- (C25) radiator fan relay output circuit open
- (C25) radiator fan relay output circuit shorted to ground
- RAD fan motor
- Radiator fan relay
- (Z212) radiator fan ground circuit open