P0201

Test 1 - 2:

Test 3 - 7:

Test 8:

SYMPTOM LIST
PO201-INJECTOR # 1 CONTROL CIRCUIT 2.7L

WHEN MONITORED
With battery voltage greater than 12 volts. Auto Shutdown Relay energized. Engine speed less than 3000 rpm.

SET CONDITION
No inductive spike is detected after injector turn off

POSSIBLE CAUSES
- Good trip equal to zero
- ASD relay output circuit
- Fuel injector
- Noise suppressor(s) shorted to ground
- (A142) ASD output open
- Fuel injector driver circuit open
- Fuel injector driver circuit shorted to ground
- PCM