D 68

Interior Equipment

911 Carrera 4

Fault, Fault Code

Possible Causes, Elimination, Remarks

Test point 6 Ignition circuits

Coupled 1/3 or 2/3 Fault code 10

- Check wiring harness and ignition pills for squeezed sections and chafing. Replace if required.

- If no fault can be detected, replace control unit.

Test point 7 Left front sensor

Resistance too high Fault code 11

- Using an ohmmeter, check front impact sensor at connector.

1. Ohmmeter to terminals 1 and 2 Display: 10 k£2

2. Ohmmeter to terminals 2 and 3 Display: 0...0.5 Q.

- Check control unit wiring to front impact sensor connector with Special Tool 9541 and ohmmeter

- If no fault is detected at the front impact sensor and at the wiring, replace control unit.

Test point 8 Right front sensor

Resistance too high Fault code 12

- refer to test point 7.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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