P0403

Test 1 - 2:

Tests 3 - 7:

Tests 8 - 9:

SYMPTOM
P0403 - EGR SOLENOID CIRCUIT

WHEN MONITORED
Engine running. Battery voltage greater than 10 volts.

SET CONDITION
The EGR solenoid control circuit is not in the expected state when requested to operate by the PCM.

POSSIBLE CAUSES
- Intermittent condition
- EGR solenoid assembly
- ASD relay output circuit open
- EGR solenoid control CKT shorted to voltage
- EGR solenoid control CKT short to GND
- EGR solenoid control circuit shorted to sensor ground circuit
- EGR solenoid control CKT open
- PCM