*ONE GAUGE INOPERATIVE
For a complete wiring diagram Refer to Section 8W.
| Possible Causes |
| POWERTRAIN CONTROL MODULE DTCS |
| INSTRUMENT CLUSTER |
Diagnostic Test
1. POWERTRAIN CONTROL MODULETurn the ignition on.
With the scan tool, read DTCs.
Does the scan tool display any PCM DTCs?
Yes
- Refer to the DRIVEABILITY category and perform the appropriate symptom.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Go To2
2. INSTRUMENT CLUSTER
Turn the ignition off.
Perform the Instrument Cluster Self Test.
NOTE: The Self Test can be initiated manually by depressing and holding the Trip Reset button while turning the ignition on, or by using the scan tool.
Observe the gauge in question while the Instrument Cluster performs the Self Test.
The gauges should position at the following calibrations points:
Speedometer MPH: 0, 30, 60, 90, 120, 90, 60, 30, 0
Speedometer kPH: 0, 60, 120, 180, 240, 180, 120, 60, 0
Tachometer Gas: 0, 1000, 3000, 5000, 7000, 5000, 3000, 1000, 0
Tachometer Diesel: 0, 1000, 3000, 5000, 3000, 1000, 0
Fuel: 1/4, 1/2, 3/4, F, 3/4, 1/2, 1/4, E
Coolant: Lo, 1/4, 1/2, 3/4, HI, 3/4, 1/2, 1/4, Lo
Did the gauge in question operate properly?
Yes
- Test Complete.
No
- Replace and configure the Instrument Cluster in accordance with the Service Information.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)