Checking resistances and wires (vehicles with engine code AFP): Notes

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2005 Volkswagen GTI, 2004 Volkswagen R32, 2004 Volkswagen Jetta, 2004 Volkswagen GTI, and 2003 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Knock Sensor (KS) 1 -G61-

Fig 1: 3-Pin Harness Connector For Knock Sensor 1 (Vehicles With Engine Code AFP)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect white 3-pin harness connector for knock sensor 1 (arrow).

Knock Sensor (KS) 2 -G66-

Fig 2: 3-Pin Harness Connector For Knock Sensor 2 (Vehicles With Engine Code AFP)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect brown 3-pin harness connector for knock sensor 2 (arrow).

Fig 3: Knock Sensor Connector Terminals

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Check resistance between terminals 1 + 2, 1 + 3 and 2 + 3 at the connections to the respective knock sensors.

Specified value: ∞ Ω

Check wires to Engine Control Module (ECM) according to wiring diagram. Refer to Checking wires to Engine Control Module (ECM) .