Volkswagen Golf 1999 Service Manual page 419

On Board Diagnostic (OBD)
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Electronic Power Control
(EPC) Warning Light -K132-
"EPC" is the abbreviation for
Electronic Power Control.
Location of Electronic Power Control
(EPC) Warning Light -K132-
When the ignition is switched on the
Motronic Engine Control Module
(ECM) -J220- checks all components
which are important for the correct
functioning of the Electronic Power
Control.
If malfunctions are detected in
Electronic Power Control system
when the engine is running, the
Motronic Engine Control Module
(ECM) -J220- will switch on the
Electronic Power Control (EPC)
Warning Light -K132-. (Diagnostic
Trouble Codes (DTCs) are identified
accordingly in the DTC table).
Simultaneously an entry is made in
the Motronic Engine Control Module
(ECM) -J220- DTC memory.
Functional check:
- Switch on ignition:
Electronic Power Control (EPC)
Warning Light -K132- must light-
up.
If the Electronic Power Control
(EPC) Warning Light -K132- does
not light-up with ignition switched
on:
- Check instrument cluster and
Electronic Power Control (EPC)
Warning Light -K132-:
Repair Manual, Electrical
Equipment On Board Diagnostic
(OBD),Repair Group 01
Página 3 de 22
01-3
12/2/2005