FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

P2111

Test 1 - Test 4:




Test 5 - Test 7:




Test 8:






SYMPTOM
P2111-BOOST PRESSURE SERVO MOTOR CIRCUIT SHORT TO GROUND

WHEN MONITORED
With the ignition on.

SET CONDITION
The ECM detects a short to battery on the Boost Pressure Servo Motor Control circuit.

POSSIBLE CAUSES
- Checking the engine control relay system
- Intermittent condition
- 12 volt supply circuit open
- Boost pressure servo motor control circuit shorted to ground
- Boost pressure servo motor control open
- Boost pressure servo motor
- Engine control module