TT L4-1.8L Turbo (BEA) (2004)
Malfunction Indicator Lamp: Testing and Inspection
Malfunction Indicator Lamp (MIL) Checking
Malfunction Indicator Lamp (MIL) Checking
Function Test:
-
Switch on ignition:
MIL must light up.
If MIL does not light up when ignition is switched on:
-
Check wire from ECM to MIL as follows:
If MIL does not light up when ignition is switched on, continue test as follows:
-
Start engine and let run at idle:
MIL must go out after a few seconds.
If MIL does not go out:
-
Check DTC Memory. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic
Trouble Codes/Reading Diagnostic Trouble Codes/With Manufacturer's Scan Tool
If there no DTCs are stored: