Service & Repair Manual

01-7
B - Warning lamp for On Board Diagnostic
(Malfunction Indicator Lamp -MIL-) remains lit
constantly
- Check DTC memory of Engine Control Module
(ECM) Page 01-15 .
If no DTCs are stored:
- Connect VAG1598/31 test box at wiring harness
to ECM, do not connect ECM Page 24-17 .
- Remove instrument cluster:
Repair Manual, Electrical Equipment, Repair
Group 90, Instrument cluster, removing and
installing
- Check the following wire connection for short
circuit to Ground (GND):
Test box
VAG1598/31
Socket
Instrument cluster
Terminal
47 Electrical Wiring Diagrams,
Pa
g
e 8 of 19Motronic, On Board Dia
g
nostic
(
OBD
)
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