ad1420d6000a

Exhaust gas recirculation (EGR) test of electrical system

Type ad · topic 14.20 · version 0100 · 2003-06-10

Applies to: ENGINE 601.943 in MODEL 901, 902, 903, 904 with CODE (MD1) low-emission vehicles? in accordance with EC Class 1

Where it sits

Function group 1 Engine › 14 Exhaust manifold, engine brake, emission control system › 14.20 Exhaust gas recirculation — Series 601 (models 943) · Series 901 · Series 902 · Series 903 · Series 904

AD14.20-D-6000A

Exhaust gas recirculation (EGR) test of electrical system

11.6.97

ENGINE 601.943 in MODEL 901, 902, 903, 904 with CODE (MD1) low-emission vehicles? in accordance with EC Class 1

Exhaust gas recirculation (EGR)

Diagnosis, basic knowledge

AD14.20-D-2000A

Battery voltage > 9.5 volts

Cables, plugs and connectors are also taken into account on the tests and, if a fault is displayed, may have to be checked again separately in accordance with the relevant electric wiring diagram for open-circuit, good contact and correct connection

Testing

1

Ground point (seat frame)

Testing electrical system, exhaust gas recirculation (EGR)

AD14.20-D-6000-01A

2

Control module voltage, circuit 15

Testing electrical system, exhaust gas recirculation (EGR)

AD14.20-D-6000-02A

3

Speed sensor

Testing electrical system, exhaust gas recirculation (EGR)

AD14.20-D-6000-03A

4

Microswitch MS1

Testing electrical system, exhaust gas recirculation (EGR)

AD14.20-D-6000-04A

5

Microswitch MS2

Testing electrical system, exhaust gas recirculation (EGR)

AD14.20-D-6000-05A

6

Solenoid valve

Testing electrical system, exhaust gas recirculation (EGR)

AD14.20-D-6000-06A

Referenced documents