One Gauge Inoperative

ONE GAUGE INOPERATIVE

POSSIBLE CAUSES
- Powertrain control module DTCs
- Instrument cluster

DIAGNOSTIC TEST

1. POWERTRAIN CONTROL MODULE
Turn the ignition on.
With the scan tool, read DTCs.

Q: 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. Body Verification Test
NO: Go To 2

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

Q: Did the gauge in question operate properly?

YES: Test Complete.
NO: Replace and configure the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test