Engine Speed Signal, Checking

Engine Speed Signal, Checking

Special tools, testers and auxiliary items required

• (VAG1526A)

• (VAG1527B)

• (VAG1594A)

• (VAG1598/31)

• (VAS5051) with (VAS5051/1)

Vehicles with 01J automatic transmission:

• 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. Refer to => [ Wiring and Component Check with Test Box VAG 1598/31 ] Wiring and Component Check With Test Box VAG 1598/31.

- Check for open circuit and short to positive or Ground in following wiring connections:





- Repair any open/short circuit as necessary.

If no wiring malfunction is detected:

- Check CAN bus. Refer to => [ ECM Data Exchange with CAN-Bus Modules, Checking ] ECM Data Exchange With CAN-Bus Modules, Checking.