volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Power Steering Pressure Switch > < Oxygen Sensor Before Catalyst|Page 3510
Page 18
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Check wiring for open circuit between test box and 4-pin harness connector to Motronic Engine Control Module (ECM) according to wiring
diagram.
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Terminal -3- + socket 51

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Terminal -4- + socket 52

Wire resistance: max. 1.5 ohms

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Check wiring at harness connector terminals -3- + -4- for short circuit to terminals -1- + -2- according to wiring diagram.
Specified value: Infinity ohms

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If no malfunction is found in the wiring, replace Engine Control Module (ECM).

Power Steering Pressure Switch > < Oxygen Sensor Before Catalyst|Page 3510