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Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition

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Model: 9-3 2,O Turbo 9-3 2,3 Viggen 9-5 2,012,3 Turbo<br />

9-5 2,3 Aerol3,O<br />

"" L_I<br />

Engine management<br />

EOBD<br />

type<br />

PI133<br />

PI135<br />

PI136<br />

<strong>Fault</strong> location<br />

Probable cause<br />

I Heated oxygen sensor (H02S) 1, bank 1 - voltage low I Wiring, H02S<br />

Heated oxygen sensor (H02S) 1, bank 1 - heater low<br />

input<br />

Heated oxygen sensor (H02S) I, bank 1 - heater high<br />

input<br />

PI137 I Heated oxygen sensor (H02S) 2, bank 1 - voltage low I Wiring, H02S<br />

PI141<br />

PI142<br />

PI 171<br />

PI 172<br />

Heated oxygen sensor (H02S) 2, bank 1 - heater low<br />

input<br />

Heated oxygen sensor (H02S) 2, bank 1 - heater high<br />

input<br />

Short term fuel trim (FT), max, value - weak mixture<br />

Short term fuel trim (FT), min. value - rich mixture<br />

I Long term fuel trim (FT), max. value - weak mixture<br />

PI182 / Long term fuel trim (FT), min. value - rich mixture<br />

PI230<br />

Throttle position (TP) sensor 1 & 2 - rangel<br />

performance problem<br />

Wiring, fuel pump relay, HOZS, ECM<br />

Wiring, fuel pump relay, H02S, ECM<br />

Wiring, fuel pump relay, H02S, ECM<br />

Wiring, fuel pump relay, H02S, ECM<br />

Fuel pressure, injector(s), intake system, mass air<br />

flow (MAF) sensor<br />

Fuel pressure, injector(s), evaporative emission<br />

(EVAP) canister purge valve<br />

Fuel pressure, injector@), intake system, mass air<br />

flow (MAF) sensor<br />

Fuel pressure, injector(s), evaporative emission<br />

(EVAP) canister purge valve<br />

Wiring, connectors, throttle control unit, ECM<br />

PI240 ( Throttle position motor - short circuit 1 Wiring, throttle control unit, ECM<br />

PI251<br />

PI 252<br />

PI253<br />

Throttle position motor - fully closed signal<br />

Throttle position motor - fully open signallno current<br />

Throttle position motor - fuHy open signal during<br />

I cranking<br />

Wiring, mechanical fault, throttle control unit, ECM<br />

Wiring, throttle control unit, ECM<br />

Wiring, mechanical fault, throttle control unit, ECM<br />

PI260 1 Throttle return spring - weak spring force 1 Mechanical fault, throttle control unit<br />

PI 261<br />

PI263<br />

Throttle valve - tightlsticking<br />

Throttle valve - moved manually while en~ine running<br />

Mechanical fault, throttle control unit, ECM<br />

Throttle control unit, mechanical fault<br />

PI264 / Throttle valve open - accelerator depressed I Throttle control unit, mechanical fault<br />

PI 300 ( R<strong>and</strong>omlmultiple cylinder(s) - misfire detected Mechanical fault, wiring, ignitionlfuel system, mass<br />

air flow (MAF) sensor, fuel pump relay, manifold<br />

absolute pressure (MAP) sensor, intake leak<br />

PI 301<br />

Cylinder 1 - misfire detected<br />

Mechanical fault, ignitionlfuel system, injector<br />

PI302 I Cylinder 2 - misfire detected I Mechanical fault, ignitionlfuel system, injector<br />

PI303 I Cylinder 3 - misfire detected I Mechanical fault, ignitionlfuel system, injector<br />

PI 304 1 Cylinder 4 - misfire detected I Mechanical fault, ignitionlfuel system, injector<br />

PI310<br />

PI312<br />

Ignition coils, bank 1 - no supply voltage<br />

Ignition coil - knock detection, cylinder 1 & 2<br />

PI320 I Ignition coils, bank 2 - no supply voltage 1 Wiring, ignition coil assembly, ECM<br />

PI 390<br />

PI391<br />

I Ignition coil - knock detection, cylinder 3 & 4<br />

I Misfire detected, r<strong>and</strong>om - fuel level low<br />

Cylinder 1, misfire detected - fuel level low<br />

Wiring, ignition coil assembly, ECM<br />

Wiring open circuitlshort to positive, ignition coil<br />

assembly, ECM<br />

Wiring open circuitlshort to positive, ignition coil<br />

assembly, ECM<br />

Wiring, connectors, injector(s), fuel pump relay, fuel<br />

pressure, mass air flow (MAF) sensor, intake leak,<br />

fuel level<br />

Wiring, connectors, injector, fuel level<br />

110

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