2002 CHRYSLER CARAVAN Service Manual

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CHRYSLER CARAVAN 2002  Service Manual DIAGNOSIS AND TESTING
DIAGNOSIS AND TESTING - SELF-
DIAGNOSTICS
The instrument clusters are equipped with a self
diagnostic test feature to help identify electronic
problems. Prior to any test, perfor

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CHRYSLER CARAVAN 2002  Service Manual NOTE: Always check the functionality of the cluster
by running the self test prior to troubleshooting.
INSTRUMENT CLUSTER DIAGNOSIS
CONDITION POSSIBLE CAUSES CORRECTION
INSTRUMENT CLUSTER
INOPERATIVE.

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CHRYSLER CARAVAN 2002  Service Manual SPEEDOMETER DIAGNOSIS
CONDITION POSSIBLE CAUSES CORRECTION
NO POINTER
MOVEMENT.1. INTERNAL CLUSTER
FAILURE.1.A. PERFORM CLUSTER SELF-DIAGNOSTIC TEST
AND CHECK FOR FAULT CODES.
²IF SPEEDOMETER POINTER

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CHRYSLER CARAVAN 2002  Service Manual CONDITION POSSIBLE CAUSES CORRECTION
ERRATIC POINTER
MOVEMENT.1. ERRATIC MESSAGE
FROM ANOTHER
MODULE.1.A. CHECK THE BCM USING A DRB IIITSCAN TOOL
IF OK, GO TO STEP 1.B. IF NOT OK, REFER TO THE
PROPER

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CHRYSLER CARAVAN 2002  Service Manual CONDITION POSSIBLE CAUSES CORRECTION
SPEEDOMETER
INACCURATE.1. SPEEDOMETER OUT
OF CALIBRATION.1. PERFORM CLUSTER SELF-DIAGNOSTIC TEST.
²IF SPEEDOMETER IS ACCURATE TO THE
CALIBRATION POINTS THEN LOOK

Page 494 of 2399

CHRYSLER CARAVAN 2002  Service Manual CONDITION POSSIBLE CAUSES CORRECTION
ERRATIC POINTER
MOVEMENT.1. BAD PCI BUS
MESSAGE FROM
PCM.1. CHECK THE PCM USING A DRB IIITSCAN TOOL.
REFER TO THE PROPER POWERTRAIN DIAGNOSTIC
PROCEDURES MANUAL TO

Page 495 of 2399

CHRYSLER CARAVAN 2002  Service Manual CONDITION POSSIBLE CAUSES CORRECTION
ERRATIC POINTER
MOVEMENT.1. BAD PCI FUEL
MESSAGE FROM THE
BODY CONTROLLER.1. USE A DRB IIITSCAN TOOL TO CHECK THE BCM.
IF OK, GO TO STEP 2. IF NOT OK, REFER TO THE

Page 496 of 2399

CHRYSLER CARAVAN 2002  Service Manual CONDITION POSSIBLE CAUSES CORRECTION
ERRATIC POINTER
MOVEMENT.1. BAD PCI BUS
MESSAGE FROM THE
POWERTRAIN CONTROL
MODULE.1.A. CHECK PCM FAULT CODES USING A DRB IIIT
SCAN TOOL. IF THERE ARE NO FAULTS, G