volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G187|Page 2852 > < Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G187|Page 2850
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Using a Multimeter, check the following wiring connections for voltage.

Throttle Position (TP)

Specified value

Sensor G79 / Accelerator Pedal
Position Sensor 2 G185 electrical
harness connector terminal
1 to Ground (GND)

about 5 V

1 to 5

about5 V

2 to Ground (GND)

about 5 V

2 to 3

about 5 V

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Switch the ignition off.

If the specified values were obtained:

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Replace the Throttle Position (TP) Sensor G79 / Accelerator Pedal Position Sensor 2 G185.

If any of the specified values were not obtained:

Checking wiring

If the manufacturers test box is being used. Perform the following step.

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Install the test box.

If the manufacturers test box is not being used. Perform the following step.

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Remove the Engine Control Module (ECM) J623.

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Using a Multimeter, check the Throttle Position (TP) Sensor G79 / Accelerator Pedal Position Sensor 2 G185 electrical harness connector
terminals to the Engine Control Module (ECM) J623 electrical connector T121 for resistance.

Throttle Position (TP)

Engine Control Module (ECM)

Sensor G79 / Accelerator

J623 electrical connector T121

Pedal Position Sensor 2 G185

terminals or test box socket

electrical harness connector
terminals
1

72

2

73

3

36

4

35

Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G187|Page 2852 > < Throttle Drive Angle Sensor 1 (For Electronic Power Control (EPC)) G187|Page 2850