Code No. P0403:
EGR Control Solenoid Valve Circuit
DIAGNOSIS CONTENT
No load
TROUBLE JUDGMENT
Check Condition
Judgment Criterion
- Open circuit in EGR control solenoid valve.
FAIL SAFE FUNCTION
- EGR control is prohibited.
PROBABLE CAUSE
- Failed EGR control solenoid valve
- Failed electrical harness in EGR control solenoid valve circuit
(Refer to Symptom Procedure - EGR Control Solenoid Valve System 
.)