ad0752s600023a

PEC fuel injection and ignition system test of electrical system temporary self-adaptation

Tipo ad · tema 07.52 · versão 0100 · 2003-06-06

Válido para: ENGINE 111.948 /978 in MODEL 638

Não disponível em “pt”; apresentado em Inglês.

Onde se situa

Grupo funcional 1 Motor › 07 Preparação da mistura › 07.52 Sistema de injeção de gasolina e sistema de ignição PMS — Série 638

EinPAS 15 Motor › 15.45 Unidade de controle do motor › 15.45.1 Informação básica — Série 638

Também válido para motores/caixas de velocidades: 111 948, 111 978

AD07.52-S-6000-23A

PEC fuel injection and ignition system test of electrical system temporary self-adaptation

Scope of test

Measuring instrument/
Test connection

Operation/Requirement

Specified value

Possible cause/Remedy

1.0

Brief self-adaptation

Closed throttle position/part-load exceeded

Lambda control signal

Engine: Idling

Engine coolant temperature > 60°C

Actual value 04

(in the event of a complaint the Lambda control must be measured at idle speed and at 2500 rpm with the purge line (to engine) disconnected and sealed.)

Continually fluctuates between

010 %

Exhaust system leaking in front of three-way catalytic converter.

Fuel injection valves

Diaphragm pressure regulator

Defective purging