Knock sensors, checking: Continuation

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 Volkswagen Jetta, 2002 Volkswagen GTI, 2001 Volkswagen Jetta, 2001 Volkswagen GTI, and 2000 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

If the specifications are not obtained:

Press → button.
Press buttons - 0 - and - 6 - to select "End Output" function 06 and press - Q - button to confirm input.
Switch ignition off.

Knock Sensor (KS) 1 G61

Fig 1: 3-Pin Harness Connector To Knock Sensor 1

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect white 3-pin harness connector to knock sensor 1 - arrow -.

Knock Sensor (KS) 2 G66

Fig 2: 3-Pin Harness Connector To Knock Sensor 2

Courtesy of VOLKSWAGEN UNITED STATES, INC.

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

Fig 3: 3-Pin Harness Connector & Terminals

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Measure resistance between knock sensor terminals - 1 - + - 2 - , - 1 - + - 3 - and - 2 - + - 3 -. Specified value: ∞Ω
Remove wiper arms and plenum chamber cover. → 92 WINDSHIELD WIPER & WASHER SYSTEM

If the specification is not obtained:

Replace Knock Sensor (KS) 1 G61 , or replace Knock Sensor (KS) 2 G66.
Check DTC memory. If necessary, repair any malfunctions and erase DTC memory → Diagnostic Trouble Code (DTC) memory, checking and erasing (scan tool functions 02 and 05) .
Display readiness code → Readiness code (function 15), displaying . If the DTC memory has been erased, the readiness code must be generated again → Readiness code (function 15), generating .

If the specification is obtained:

Check wiring.