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Diagnostic Procedure

DIAGNOSTIC INFORMATION AND PROCEDURES - ONE GAUGE INOPERATIVE

TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIII®, read DTCs.
NOTE: The PCM will not store any DTCs regarding Oil Pressure concerns.
NOTE: If Oil Pressure gauge readings are in question and the gauge tests good, a mechanical oil pressure gauge must be attached to the engine.

Does the DRBIII® display any PCM DTCs?
Yes --> Refer to the DRIVEABILITY category and perform the appropriate symptom.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Go To 2		 All
2 Turn the ignition off.
Perform the INSTRUMENT CLUSTER SELF TEST .
Observe the gauge in question while the Instrument Cluster performs the Self Test.
The gauges should position at the following calibration points:
Speedometer: 20 mph (40 km/h BUX), 55 mph (80 km/h BUX), 75 mph (120 km/h BUX) Tachometer: 2000, 5000
Fuel: Empty Stop, E, 1/2, F, Full Stop
Temperature: Lo, Mid Lo, Mid High, High
Oil Pressure: 0, 40, 60,
Volt: Off, 9, 12, 14, 16, 19
Did the gauge in question operate properly?
Yes --> The condition is not present at this time. Monitor DRBIII® parameters while wiggling the related wire harness. Refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wiring harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Replace and configure the Instrument Cluster in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1 .		 All
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