opel-vauxhall
opel-vauxhall
opel-vauxhall
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Trouble code identification<br />
EOBD<br />
type<br />
PO<br />
PI110<br />
PI120<br />
PI171<br />
PI 229<br />
PI 230<br />
Fault location<br />
Refer to EOBD trouble code table<br />
Omega-6 Zafira<br />
Intake manifold air control solenoid 1 - circuit malfunction<br />
Throttle position (TP) sensorlmanifold absolute pressure<br />
(MAP) sensor - implausible signal<br />
Mixture control (MC), engine under load - mixture lean<br />
Engine control relay - voltage high<br />
Engine control relay - voltage low<br />
Erasing<br />
The engine control module (ECM) fault memory can only be<br />
erased using diagnostic equipment connected to the data<br />
link connector (DLC).<br />
Repeat checking procedure to ensure no data remains in<br />
ECM fault memory.<br />
Probable cause<br />
PI231 I Fuel pump relay I Wiring, fuel pump relay<br />
PI326 1 Knock control, cylinder 1 - control limit reached I Wiring, knock sensor (KS), ECM<br />
-<br />
Wiring, intake manifold air control solenoid<br />
Air leak, MAP sensorlhose<br />
Fuel system, intake system<br />
Wiring, engine control relay<br />
Wiring, engine control relay<br />
PI 327 Knock control, cylinder 2 - control limit reached<br />
Wiring, knock sensor (KS), ECM<br />
PI 328<br />
PI329<br />
PI 404<br />
Knock control, cylinder 3 - control limit reached<br />
1 Knock control, cylinder 4 - control limit reached<br />
Exhaust gas recirculation (EGR) valve - range1<br />
performance problem<br />
Wiring, knock sensor (KS), ECM<br />
I Wiring, knock sensor (KS), ECM<br />
I Wiring, EGR valve<br />
PI405<br />
PI410<br />
Exhaust gas recirculation (EGR) valve position sensor - Wiring, EGR valve position sensor<br />
malfunction<br />
Secondary air injection (AIR) pump relay - circuit I Wiring, AIR pump relay<br />
malfunction<br />
PI481 Engine coolant blower motor relay 1 - malfunction Wiring, engine coolant blower motor relay<br />
PI482 Engine coolant blower motor relay 2 - malfunction Wiring, engine coolant blower motor relay<br />
PI483 1 Engine coolant blower motor relay 3 - malfunction I Wiring, engine coolant blower motor relay<br />
PI501<br />
PI 502<br />
Immobilizer control module - program error<br />
Immobilizer control module - no signal<br />
Immobilizer control module incorrectly<br />
programmed<br />
Wiring, immobilizer control module<br />
PI503 I Immobilizer control module - incorrect signal I Immobilizer control module, incorrect key<br />
PI508 I Idle air control (IAC) valve - circuit malfunction I Wiring open circuitlshort to earth, IAC valve<br />
PI 509<br />
PI510<br />
PI 51 5<br />
Idle air control (IAC) valve - circuit malfunction<br />
Closed throttle position (CTP) switch - circuit malfunction<br />
Idle air control (IAC) valve - circuit malfunction<br />
Wiring short to positive, IAC valve<br />
Wiring, CTP switch<br />
Wiring, IAC valve<br />
PI530 1 AC cut-off relay - circuit malfunction I Wiring, AC cut-off relay, ECM