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INSTRUMENT CLUSTER
Symptom:
*SPEEDOMETER NOT OPERATING PROPERLY
DTC PRESENT
INTERMITTENT CONDITION
MISSING OR INCORRECT PINION FACTOR
VEHICLE SPEED MESSAGE
INSTRUMENT CLUSTER
TEST
1
Using the DRBIII read EMIC, PCM, ABS and BCM DTC's.
Are there any DTC's present?
Yes → Refer to the symptom list for problems related to the DTC.
→ Go To 2
No
2
Perform the Instrument Cluster Self Test.
Turn the ignition off.
Press and hold the Trip/Reset button.
Turn the ignition to the Unlock position.
Observe the Speedometer during the Self Test.
The Speedometer should position the indicator needle at the following calibration
points:
0, 100, 75, 55, 20, 0 (MPH)
Did the Speedometer needle position correctly?
Yes → Go To 3
→ Replace the Instrument Cluster in accordance with the Service
No
3
With the DRBIII , verify that the pinion factor is correctly programmed.
Is the pinion factor programmed correctly?
Yes → Go To 4
→ Using the Diagnostic (Transmission, or Chassis)/Service Manual
No
POSSIBLE CAUSES
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Information.
Perform BODY VERIFICATION TEST - VER 1.
Information as a guide, program the correct Pinion Factor.
Perform BODY VERIFICATION TEST - VER 1.
384
APPLICABILITY
All
All
All
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