Early Production (SBEC)

Test 1 - 2:

SYMPTOM
P0645-A/C CLUTCH RELAY CKT

WHEN MONITORED
With the ignition on. Battery voltage greater than 10 volts. A/C Switch on.

SET CONDITION
An open or shorted condition is detected in the A/C clutch relay control circuit.

POSSIBLE CAUSES
- A/C clutch relay operation
- Fused ignition switch output circuit