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Engine management<br />

Under steering column<br />

General information<br />

0 Refer to the front of this manual for general test conditions,<br />

terminology, detailed descriptions of wiring faults and a<br />

general trouble shooter for electrical and mechanical faults.<br />

Accessing and erasing<br />

The engine control module (ECM) fault memory can only be<br />

accessed and erased using diagnostic equipment<br />

connected to the data link connector (DLC).<br />

PI lo8 I 4360 1<br />

PI 109<br />

PI122<br />

PI123<br />

PI125<br />

4361<br />

4386<br />

Model: One Cooper<br />

Year: 2001 -04<br />

Engine code: WIOB, WllB<br />

System: Siemens EMS 2000<br />

<strong>Trouble</strong> code identification<br />

I<br />

EOBD type BMW type<br />

I<br />

PO -<br />

I<br />

Fault kcation<br />

I Refer to EOBD trouble code table<br />

I I Probable cause<br />

I<br />

-<br />

PI106 4358 Manifold absolute pressure (MAP) sensor - Wiring short to earth, poor connection, sensor<br />

signal too low at engine stop<br />

supply, MAP sensor<br />

PI107 4359 Manifold absolute pressure (MAP) sensor - Wiring short to earth, poor connection,<br />

signal too low at idle<br />

MAP sensor<br />

4387<br />

4389<br />

Manifold absolute pressure (MAP) sensor - Wiring short to earth, MAP sensor<br />

signal too low at full load for low engine speed<br />

Manifold absolute pressure - too high under<br />

deceleration<br />

Accelerator pedal position (APP) sensor 1 -<br />

low input<br />

Acceterator pedal position (APP) sensor 1 -<br />

high input<br />

Throttle position (TP) sensor, AIB - small<br />

rangelperformance problem<br />

Throttle valve sticking, air leak<br />

Wiring short to earth, APP sensor<br />

Wiring short to positive, APP sensor<br />

Wiring, TP sensor

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