B2300 SE Regular Cab 2WD L4-2.3L VIN A (1997)
Malfunction Indicator Lamp: Description and Operation
MALFUNCTION INDICATOR LAMP (MIL)
Alerts driver to an OBD II emission-related component or system malfunction. MIL comes on in run/crank mode as a bulb check until PIP signal
detected. MIL should turn off after PIP signal detected.
MIL remains on in the following conditions:
-
A short to ground of MIL circuit
-
Operation in HLOS
-
When vehicle was last shut down
-
After DTC is stored in memory MIL blinks in the following procedures:
-
A severe misfire is detected
-
Intermittent in MIL circuit
NOTE: If OBD II related component or system is malfunctioning, OBD II DTC will be set. To extinguish MIL after repair, a reset command from
scan tool or NGS must be sent, or three consecutive drive cycles must be completed without a malfunction.