Jetta L4-1.8L Turbo (AWP) (2004)
Malfunction Indicator Lamp: Testing and Inspection
Malfunction Indicator Lamp (MIL) In Instrument Cluster, Check
Check Malfunction Indicator Lamp (MIL) In Instrument Cluster
Installation Position Of Exhaust MIL
Version A
Version B
Meaning of exhaust MIL
The Malfunction Indicator Lamp (MIL) lights up when exhaust relevant malfunctions are recognized by the Engine Control Module (ECM).
NOTE:
The Malfunction Indicator Lamp (MIL) can blink or remain lit continuously. DTC memory must be checked in each case, diagnostic mode 3: Check
DTC memory. See: Testing and Inspection/Scan Tool Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 3: Check DTC Memory
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Blinking: There is a malfunction that causes damage to the catalytic converter in this driving condition. In this case, vehicle must only be driven at
reduced power.
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Continuously lit: There is a malfunction that causes increased emissions. Check DTC memory for Motronic control module.
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DTC memory must still be checked if there are drivability problems or the customer has made a complaint but the MIL is not lit, because
malfunctions can be stored without causing the MIL to light immediately.
Recommended special tools and equipment
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VAG1526 multimeter or VAG1715 multimeter
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VAG1594 connector test kit
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Wiring diagram
Test requirement