Test sequence

• Disconnect 3-pin connector -1- from Camshaft Position (CMP) sensor -2-.
Fig 1: Disconnecting 3-Pin Connector From Camshaft Position (CMP) Sensor
Courtesy of VOLKSWAGEN OF AMERICA, INC.
• Use adapter cables from VAG1594 to connect multimeter to outer terminals of connector for voltage measurement.
• Switch ignition on.

  Specification: at least 4.5 V

• Switch ignition off.
• Connect VAG1598/31 adapter cable to control module wiring harness. Engine Control Module (ECM) is not connected.
Fig 2: Connecting VAG1598/31 Adapter Cable To Control Module Wiring Harness
Courtesy of VOLKSWAGEN OF AMERICA, INC.
• Check for open circuits in wires between test box and connector according to wiring diagram.

  Terminal 1 + socket 98

  Terminal 2 + socket 86

  Terminal 3 + socket 108

  Wire resistance: max: 1.5 ohm

Fig 3: Identifying CMP Sensor Harness Connector Terminals
Courtesy of VOLKSWAGEN OF AMERICA, INC.
• Check wires for shorts between one another.

If no errors are found in wires and voltage between terminals 1 + 3:

• Replace Camshaft Position (CMP) Sensor 2 -G163 -.

If no errors are found in wires and no voltage between terminals 1 + 3:

• Replace Engine Control Module (ECM), see ENGINE CONTROL MODULE (ECM), REPLACING .