Р0403 Exhaust gas recirculation control circuit
Modes: the
ignition key in position "ON", the battery voltage is above 10 V.
Conditions:
a) Not
applicable pulse voltage on the solenoid
valve winding (equal to system voltage + 2 V) when the valve moves from the position "ON" to
"OFF";
b) One
cycle monitoring is performed once.
- Faulty
solenoid EGR valve;
- Open or
short circuit in the solenoid valve or a bad connection in the connector;
-Malfunction of the ECU.