Maintenance Required Lamp/Indicator: Testing and Inspection

This system monitors regular service and maintenance intervals, engine oil level, engine coolant level, windshield washer fluid level, brake and tail lamps, door ajar, coolant and washer sensors.

When the vehicle is started and no faults are present the display will indicate "MONITOR." If the monitor detects a fault, it will be noted on the display. If more than one fault is noted, the fault of the highest priority will be displayed first. The display will then note all existing faults and return to the fault of highest priority. The VMM fault messages are as follows:

When the VMM display reads Service (Perform Required Service and Maintenance) at 7,500 mile intervals to indicate that required service is to be performed. After performing the required service, depress Reset select switch until a beep is noted.

Vehicle Maintenance Monitor Trouble Shooting:

CIRCUIT CHECKS
If the Vehicle Maintenance Monitor (VMM) display is functioning properly see self diagnostics.
If the VMM illumination does not function properly see instrument panel illumination.
For No Display, Incorrect Information, or VMM will not change modes perform the following tests.

Vehicle Maintenance Monitor Self-Diagnostics:

SELF-DIAGNOSTICS
1. To run diagnostic tests, press and hold the "CHECK" and "LIST" buttons simultaneously.
2. While holding these two buttons turn the ignition switch to the RUN position. The diagnostic tests will be conducted in sequence until the diagnostic mode is exited.
3. There are two choices for testing in the diagnostic mode:
a With the English/Metric switch in the English mode the program is in the automatic mode, and the tests will be repeated in sequence automatically until the diagnostic mode is exited.
b. With the English/Metric switch in the Metric mode the program is in the manual mode, and each test will be performed individually, progressing to the next test only when the "CHECK" switch is pressed.
NOTE: Modes can be changed by pressing the English/Metric switch.
3. To leave the diagnostic mode, press the "CHECK" and "LIST" switches simultaneously.

Vehicle Maintenance Monitor Schematic:

Vehicle Maintenance Monitor Schematic: