Diesel Data: Automotive Repair

P0691

DTC P0691 FAN 1 CONTROL CIRCUIT LOW

DTC DETECTING CONDITION:
- Detected when two consecutive driving cycles with fault occur.

TROUBLE SYMPTOM:
- Radiator fan does not operate properly.
- Overheat

CAUTION: After repair or replacement of faulty parts, perform Clear Memory Mode and Inspection Mode.

Step 1: