Fuel Shutdown Solenoid Circuit Shorted to Ground or B+

Test 1:

Test 2 - 6:

Test 7 - 8:

SYMPTOM:
P1188-FUEL SHUTDOWN SOLENOID CIRCUIT SHORTED TO GROUND OR B+

TEST NOTE
This symptom is diagnosed using the test P1188-FUEL SHUTDOWN SOLENOID CIRCUIT OPEN.

WHEN MONITORED
With the ignition on.

SET CONDITION
The ECM detects excessive current on the Fuel Shutdown Solenoid circuitry.

POSSIBLE CAUSES
- Checking the engine control relay system
- Fuel shutdown solenoid
- Fuel shutdown solenoid circuit(s) shorted to ground
- Fuel shutdown solenoid circuit(s) shorted to voltage
- Fuel shutdown solenoid circuit(s) shorted together
- Fuel shutdown solenoid open circuit(s)
- Intermittent condition