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Home >> Volkswagen >> 2001 >> Golf GL, 2.0 B >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 31 (On Board Diagnostic (OBD), Generic Scan Tool - 2.0L AEG, AVH, AZG) >> ST - Generic Scan Tool >> General information for On Board Diagnostic (OBD) >> Check Malfunction Indicator Lamp (MIL) in instrument cluster >> Meaning of emissions MIL

Meaning of emissions MIL

WARNING: This page is about a different variant/trim than selected.

The Malfunction Indicator Lamp (MIL) lights up when emissions 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, see DIAGNOSTIC MODE 3: CHECK DTC MEMORY .
  • 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!
  • Continuously lit: There is a malfunction that causes increased emissions. Check DTC memory for Motronic control module.
  • DTC memory must still be checked if there are driveability 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.