Displaying & Reading Trouble Codes

SELF-DIAGNOSIS FUNCTION
The following items can be checked during Combination Meter Self-Diagnosis Mode.
- Odo/trip meter and message center (if equipped) display segments.
- Meters/gauges input signals
- Unified meter control unit (with odo/trip meter) (ROM/CHECKSUM)
- Current odometer value stored in non-volatile memory (NVM)
- Outside air temperature input signal (if equipped with message center)

HOW TO INITIATE COMBINATION METER SELF-DIAGNOSIS MODE

NOTE: This test can be cancelled at any time by turning ignition switch to OFF.

1. Push and hold the odo/trip meter reset button and turn ignition switch to ON.
2. Release the odo/trip meter reset button within 0.6 seconds of turning ignition switch to ON.




3. Press and release odo/trip meter reset button 3 times within 7 seconds.
- All odo/trip meter segments should be illuminated. All message center (if equipped) segments should also be illuminated.

NOTE: If some segments are not illuminated, unified meter control unit with odo/trip meter should be replaced.

- At this point, the unified meter control unit is switched to self-diagnosis mode.




4. Press and hold odo/trip meter reset button. Indication of each meter/gauge should be as shown in figure while pressing the odo/trip meter reset button.

NOTE: It takes a few seconds for indication of meters/gauges to become stable.

5. Release odo/trip meter reset button. Meters/gauges will return to previous positions, LOW FUEL lamp will illuminate and "bulb" will be displayed in the odo/trip meter display.
6. Press and release the odo/trip meter reset button to advance through each subsequent test step as indicated in the following chart.

Part 1:

Part 2:

NOTE: The engine can be started during this test. Raise and support the drive wheels and apply parking brake when performing speedometer and/or tachometer testing.

7. Turn ignition switch to OFF to cancel Diagnosis mode.