Test sequence

• Disconnect 3-pin connector -1- from Camshaft Position (CMP) sensor 2 -G163-.
• Connect multimeter to measure voltage using auxiliary cables from VAG 1594 to outer contacts of connector.
• Switch on ignition.

Specification: min. 4.5 V

• Switch off ignition.
Fig 1: Disconnecting 3-Pin Connector From Camshaft Position Sensor 2 -G163-
Courtesy of VOLKSWAGEN OF AMERICA, INC.
• Connect test box VAG 1598/31 to control module wiring harness. Engine control module remains disconnected.
Fig 2: Connecting Test Box VAG 1598/31 To Control Module Wiring Harness
Courtesy of VOLKSWAGEN OF AMERICA, INC.

• Check wiring for open circuit between test box and connector using wiring diagram.

Contact 1 + socket 98

Contact 2 + socket 86

Contact 3 + socket 108

Wire resistance: Max. 1.5 Ω

Fig 3: Identifying CMP Sesnor Harness Connector

Courtesy of VOLKSWAGEN OF AMERICA, INC.

• Additionally check wires for short to one another.

If no wiring fault is detected and voltage was present between contacts 1 + 3:

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

If no wiring fault is detected and no voltage was present between contacts 1 + 3:

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