A4 Sedan V6-2.8L (AFC) (1996)
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Check CTP switch again refer to Closed Throttle Position (CTP) Switch, Checking and Adjusting
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Re-install throttle body and adjust accelerator pedal cable.
Checking wiring between CTP switch and ECM
Terminal assignments for throttle position sensor connector.
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Connect VAG 1598/19 test box to ECM harness connector.
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Check wiring for continuity or short to B+ between throttle position sensor connector terminal 4 (GND) and test box socket D12.
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Specified value: max. 1 ohms (ohms)
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Check wiring for continuity or short to Ground (GND) between throttle position sensor connector terminal 6 (signal) and test box socket A4.
Specified value: max. 1 ohms
If the specified value is not obtained:
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Determine open or short circuit in wiring using wiring diagram; repair as necessary.
6-pin TP sensor
ECM connector A
connector terminal
terminal
6
A4
4
Intake manifold Ground (GND)
NOTE: If it becomes necessary to repair or replace any of the throttle position sensor electrical terminals, ONLY replace with gold-plated terminals.