Engine Speed (RPM) Signal, Checking

Engine Speed Signal, Checking

Vehicles with multitronic 01J:

NOTE: The engine speed signal is output at terminal 37 of the engine control module only in vehicles with multitronic 01J.

- Connect test box VAG1598/31 to wiring harness for engine control module; do not connect engine control module.
- Check for open circuit and short to positive or Ground in following wiring connections:

Test box Instrument cluster
VAG1598/31 terminal
Socket
37 See Electrical Wiring Diagrams, Troubleshooting & Component Locations

- Repair any open/short circuit as necessary.

If no wiring malfunction is detected:
- Check CAN bus.