Camshaft Position Sensor: Testing and Inspection

1994 Volkswagen Golf (1H1) L4-1.8L (ACC) CanSECTION Testing and Inspection
Camshaft Position (CMP) Sensor, checking

Requirements
^ Malfunction of CMP Sensor identified by On Board Diagnostic program and stored in Diagnostic Trouble Code (DTC) Memory Testing and Inspection
^ Electrical test step 18 - OK Pinout Values and Diagnostic Parameters


- Disconnect Camshaft Position (CMP) Sensor harness connector (at Ignition Distributor).
- Switch hand multimeter (Fluke 83 or equivalent) to 20 Volt range.




- Connect multimeter between connector outer terminals using cables from VW 1594 adapter kit.
- Switch ignition ON.
^ Specification: 9 Volts (minimum)

If OK (but malfunction stored in DTC Memory):
- Replace Ignition Distributor complete with CMP Sensor.

If NO Voltage:
- Replace Mono-Motronic Engine Control Module (J257).

- Switch ignition OFF.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.