Checking Wiring

CHECKING WIRING TO ENGINE CONTROL MODULE
- Connect VAG 1598/19 test box to the Engine Control Module (ECM).

6-Pin Connector:

- Test for continuity between throttle position sensor Ground terminal 2 and test box socket D12.
^ Specified value: maximum 1.0 ohm
- Test for continuity between throttle position sensor positive terminal 1 and test box socket A3.
^ Specified value: maximum 1.0 ohm
- Test for continuity between throttle position sensor signal wire terminal 3 and test box socket A24.
^ Specified value: maximum 1.0 ohm

If specifications are not achieved:
- Determine open and/or short circuit in wiring harness between 6-pin TPS connector in engine compartment and ECM connectors according to wiring diagram, and repair as necessary.

6-pin connector ECM connector A
1 A3
3 A24
2 Ground (GND)

NOTE:
Use only gold-plated terminals for repairing terminals in the terminal connector for throttle position sensor.

- Check and erase Diagnostic Trouble Code (DTC) memory.

If there is no malfunction in wiring harness or connections:
- Replace ECM .