Jetta GL L4-1.9L DSL Turbo (ALH) (2001)
/Page-1082006.png)
Connect test box VAG 1598/22 to harness connector of engine control module.
-
Check wiring between test box and contact terminals for open circuits according to wiring diagram:
^
Wiring resistance: max. 1.5 Q
-
Check wires for short circuit one against another, to vehicle ground and to battery B+.
^
Wiring resistance: cc
If no malfunctions and if voltage between terminal 1 + ground:
-
Replace Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM).
-
Check DTC memory.
-
Read readiness code.
If the DTC memory was erased or the engine control module is subject to low voltage with ignition ON, reset the readiness code.
