RS 4 Quattro Sedan V8-4.2L (BNS) (2007)
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1 to Ground (GND)
about 5 V
1 to 5
about 5 V
2 to Ground (GND)
about 5 V
2 to 3
about 5 V
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Switch the ignition off.
If the specification is not obtained:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
-
Install the test box.
If the manufacturers test box is not being used. Perform the following step.
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Remove the Motronic 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 Motronic Engine Control Module (ECM) J623 electrical connector T94 for an open circuit according to wiring diagram.
Throttle Position (TP) Sensor
Motronic Engine Control Module
G79 / Accelerator Pedal
(ECM) J623 electrical connector
Position Sensor 2 G185
T94 terminals or test box socket
electrical harness connector
terminal
1
58
2
80
3
78
4
79
5
56
6
57
Specified value: 1.5 Ohms max.
If the specification is not obtained:
-
Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
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Check the electrical harness connector for damage, corrosion, lose or broken terminals.
-
If necessary, repair the faulty wiring connection.
If no malfunction is detected in the wiring and the voltage supply was OK:
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Replace the Throttle Position (TP) Sensor G79 / Accelerator Pedal Position Sensor 2 G185.
If no malfunction is detected in the wiring and if the voltage supply was not OK:
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Replace the Motronic Engine Control Module (ECM) J623.
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Install the drivers side storage compartment.
Final procedures
After repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 03 -
Read DTC Memory
2. If necessary, erase the DTC memory. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic
Mode 04 - Erase DTC Memory
3. If the DTC memory was erased, generate readiness code.
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End of diagnosis.
