P0203

Test 1 - 3:

Test 4 - 6:

SYMPTOM
P0203-FUEL INJECTOR #3

TEST NOTE
This symptom is diagnosed using the test P0201-FUEL INJECTOR #1.

WHEN MONITORED
With battery voltage greater than 10 volts. Auto Shutdown Relay energized. Engine speed less than 3000 rpm.

SET CONDITION
No inductive spike is detected after injector turn off. One Trip Fault.

POSSIBLE CAUSES
- Good trip equal to zero
- (F42) ASD relay output circuit
- Fuel injector
- Injector control circuit open
- Injector control circuit shorted to ground
- PCM