Camry V6-3.0L (1MZ-FE) (2004)
Malfunction Indicator Lamp: Testing and Inspection
MIL CIRCUIT
CIRCUIT DESCRIPTION
The MIL is used to indicate the ECM's detection of a vehicle malfunction. The instrument panel GAUGE fuse provides circuit power and the ECM
provides the circuit ground that illuminates the MIL.
MIL operations should be checked visually:
The MIL should be illuminated when the ignition is first turned on. If the MIL is always ON or OFF, use the hand held tester or OBD II scan tool and
follow the procedures below to determine the cause of the problem.
Wiring Diagram