Passat V6-2.8L (ATQ) (2004)
Malfunction Indicator Lamp: Testing and Inspection
Electronic Power Control (EPC) Warning Lamp, Checking
Not Available For Manufacturer's Scan Tool
The manufacturer does not provide a procedure using their scan tool.
With Generic Scan Tool
Electronic Power Control (EPC) Warning Lamp In Instrument Cluster, Checking
Significance of EPC warning lamp
"EPC" is an abbreviation and stands for Electronic Power Control and means "electronic engine load control"
Component location of EPC warning lamp
If malfunctions are recognized in the EPC system during operation of the engine, the Engine Control Module (ECM) switches on the EPC warning lamp.
(These malfunctions are listed in the DTC table). An entry is made in DTC memory at the same time.
Recommended special tools and equipment
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V.A.G 1526 multimeter or V.A.G 1715 multimeter
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V.A.G 1594 connector test kit
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Wiring diagram
Test requirement
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The respective fuses of Electronic Power Control (EPC) Warning Lamp -K132- must be OK
Test sequence
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Switch on ignition:
Warning lamp must light up.
If warning lamp does not light up when ignition is switched on:
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Switch ignition off.
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Check wire from Engine Control Module (ECM) to MIL as follows:
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Connect test box to control module wiring harness. connect test box for wiring test. See: Testing and Inspection/Reading and Clearing Diagnostic
Trouble Codes/Scan Tool Connecting/Test Box, Connecting For Wiring Test