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

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Model: Saxo 1,011,l Berlingo 1,111,4<br />

Year: 1998-00<br />

Engine code: CDY, CDZ, HDY, HDZ, KFX<br />

System: Bosch Motronic MA3.1<br />

Engine management<br />

Saxo - under fascia, passenger's side<br />

Berlingo - under fascia, driver's slde<br />

-<br />

General information<br />

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

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

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

Accessing <strong>and</strong> erasing<br />

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

accessed <strong>and</strong> erased using diagnostic equipment<br />

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

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

Scanner<br />

type<br />

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

Intake air temperature (IAT) sensor<br />

Engine codant temperature (ECT)<br />

sensor<br />

Throttle position (TP) sensor<br />

Closed throttle position (CTP) switch<br />

Idle soeed control (ISC) actuator<br />

Crankshaft position (CKP) sensor1<br />

engine speed (RPM) sensor<br />

Mixture control (MC) - mixture rich<br />

Mixture control (MC) - mixture lean<br />

Probable cause<br />

Wiring, IAT sensor, ECM<br />

Wiring, ECT sensor, ECM<br />

Wiring, TP sensor, accelerator cable adjustment, ECM<br />

Wiring, CTP switch, accelerator cable adjustment, ECM<br />

Wiring, ISC actuator, ECM<br />

Wiring, CKPIRPM sensor, air gap, ECM<br />

Wiring, incorrect fuel, heated oxygen sensor (H02S) - heater circuit,<br />

exhaust blockage, fuel pressure, injector control, EVAP canister purge<br />

valve, compression, air filter blocked, ignition system, ECM<br />

Wiring, incorrect fuel, heated oxygen sensor (H02S) - heater circuit,<br />

exhaust leak, fuel pressure, injector control, EVAP canister purge<br />

valve, compression, ignition system, ECM<br />

A t a t a<br />

aEngme management 225

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