P0622

Test 1 - 2:

Test 3 - 6:

SYMPTOM
P0622-GENERATOR FIELD NOT SWITCHING PROPERLY

WHEN MONITORED
With the ignition key on and the engine running.

SET CONDITION
When the PCM tries to regulate the generator field with no result during monitoring.

POSSIBLE CAUSES
- Generator field performance
- (K125) GEN field source circuit open
- (K20) GEN field control circuit open
- (K20) GEN field control circuit shorted to ground
- Generator
- PCM