Chrysler RG Voyager. Manual — part 720
INSTRUMENT CLUSTER
TABLE OF CONTENTS
page
page
INSTRUMENT CLUSTER
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DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . 2
DIAGNOSIS AND TESTING - CLUSTER
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
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CLUSTER LENS
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INSTRUMENT CLUSTER
DESCRIPTION
The instrumentation gauges are contained in a
subdial assembly within the instrument cluster. The
individual gauges are not serviceable. If one of the
cluster gauges becomes faulty, the entire cluster
would require replacement.
The Mechanical Instrument Cluster (MIC) with a
tachometer is equipped with a electronic vacuum flu-
orescent transmission range indicator (PRND3L),
odometer, and trip odometer display.
The MIC without a tachometer is equipped with a
Light Emitting Diode (LED) transmission range indi-
cator (PRND3L) and a vacuum fluorescent odometer
display.
The MIC is equipped with the following warning
lamps.
• Lift Gate Ajar
• Low Fuel Level
• Low Windshield Washer Fluid Level
• Cruise
• Battery Voltage
• Fasten Seat Belt
• Door Ajar
• Coolant Temperature
• Anti-Lock Brake
• Brake
• Oil Pressure
• MIL (Malfunction Indicator Lamp)
• VTSS/SKIS Indicator
• Airbag
• Traction Control
• Autostick
Export Only - uses a message center that displays
the following telltales:
• Turns Signals
• High Beam
• Tire Pressure Monitoring (TPM)
• Glow Plug (Export Only)
• Supplemental Cabin Heater (Export Only)
WATER IN FUEL LAMP - EXPORT
The Water In Fuel Lamp is located in the message
center. When moisture is found within the fuel sys-
tem, the sensor sends a message via the PCI data
bus to the instrument cluster. The MIC illuminates
the bulb in the message center, The sensor is located
underneath the vehicle, directly above the rear axle.
The sensor is housed within the fuel filter/water sep-
arator assembly cover. The sensor is not serviced sep-
arately. If found defective, the entire assembly cover
must be replaced.
OPERATION
Refer to the vehicle Owner’s Manual for operation
instructions and conditions for the Instrument Clus-
ter Gauges.
WATER IN FUEL LAMP/SENSOR - EXPORT
The Water In Fuel Sensor is a resistive type
switch. It is calibrated to sense the different resis-
tance between diesel fuel and water. When water
enters the fuel system, it is caught in the bottom of
the fuel filter/water separator assembly, where the
sensor is located. Water has less resistance than die-
sel fuel. The sensor then sends a PCI data bus mes-
sage to the instrument cluster to illuminate the
lamp.
If the lamp is inoperative, perform the self diag-
nostic test on the instrument cluster to check the
lamp operation before continuing diagnosis.
RS
INSTRUMENT CLUSTER
8J - 1
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, perform the Self-Diag-
nostic Test. The self diagnostic system displays
instrument cluster stored fault codes in the odometer
display, sweeps the gauges to the calibration points,
and bulb checks the warning indicators. When the
key is in the ON position with the engine not run-
ning, the MIL will remain illuminated for regulatory
purposes.
To activate the Self-Diagnostic program:
(1) With the ignition switch in the OFF position,
depress the TRIP ODOMETER RESET button.
(2) Continue
to
hold
the
TRIP
ODOMETER
RESET button until Sof and a number (software ver-
sion number (i.e. Sof 3.2) appears in the odometer
window then release the button. If a fault code is
present, the cluster will display it in the odometer
display. When all fault codes have been displayed,
the cluster will display “end” in the odometer dis-
play. Refer to the INSTRUMENT CLUSTER DTC’S
table to determine what each trouble code means.
INSTRUMENT CLUSTER DTC’S
DTC
DESCRIPTION
100.0
LOOP-BACK FAILURE
100.1
ABS COMMUNICATION FAULT
100.2
BCM COMMUNICATION FAULT
100.3
EATX COMMUNICATION FAULT
100.4
FCM COMMUNICATION FAULT
100.5
ORC COMMUNICATION FAULT
100.6
SBEC/DEC/MCM COMMUNICATION
FAULT
200.0
AIRBAG LED SHORT
200.1
AIRBAG LED OPEN
200.2
ABS LED SHORT
200.3
ABS LED OPEN
200.6
EL INVERTER TIME-OUT
200.7
EATX MISMATCH
400.0
EEPROM READ/WRITE FAILURE
400.1
IMPROPER POWER DOWN
DETECTED
CALIBRATION TEST
The CLUSTER CALIBRATION table contains the
proper calibration points for each gauge. If the gauge
pointers are not calibrated, a problem exists in the
cluster. If any gauge is out of calibration, replace the
cluster.
CLUSTER CALIBRATION
SPEEDOMETER
CALIBRATION POINT
1
0 MPH (0 KM/H)
2
20 MPH (40 KM/H)
3
60 MPH (100 KM/H)
4
100 MPH (160 KM/H)
TACHOMETER
1
0 RPM
2
1000 RPM
3
3000 RPM
4
6000 RPM
FUEL GAUGE
1
EMPTY
2
1/4 FILLED
3
1/2 FILLED
4
FULL
TEMPERATURE
GAUGE
1
COLD
2
1/4
3
3/4
4
HOT
ODOMETER SEGMENT TEST
If a segment in the odometer does not illuminate
normally, a problem exists in the display.
ELECTRONIC TRANSMISSION RANGE INDICATOR
SEGMENT TEST
If a segment in the transmission range indicator
does not illuminate normally, a problem exists in the
display.
8J - 2
INSTRUMENT CLUSTER
RS
INSTRUMENT CLUSTER (Continued)
DIAGNOSIS AND TESTING - CLUSTER
DIAGNOSIS
CONDITIONS
Refer to the following tables for possible problems,
causes, and corrections.
• INSTRUMENT CLUSTER DIAGNOSIS
• SPEEDOMETER DIAGNOSIS
• TACHOMETER DIAGNOSIS
• FUEL GAUGE DIAGNOSIS
• TEMPERATURE GAUGE DIAGNOSIS
• ODOMETER DIAGNOSIS
• ELECTRONIC GEAR INDICATOR DISPLAY
DIAGNOSIS
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. NO
RESPONSE FROM
INSTRUMENT CLUSTER.
NO PCI BUS MESSAGES
FROM THE BCM.
USE A DRB III
T
SCAN TOOL TO CHECK THE BCM.
IF OK, LOOK FOR ANOTHER POSSIBLE CAUSE
FOR CLUSTER FAILURE. IF NOT OK, REFER TO
THE PROPER BODY DIAGNOSTIC PROCEDURES
MANUAL.
SPREAD TERMINAL(S)
ON WIRING HARNESS
CLUSTER CONNECTOR.
REMOVE CLUSTER FROM INSTRUMENT PANEL
AND CHECK WIRING HARNESS CONNECTOR FOR
SPREAD TERMINAL. IF OK, LOOK FOR ANOTHER
POSSIBLE CAUSE FOR THE CLUSTER FAILURE. IF
NOT OK, REPAIR CONNECTOR.
BCM IS NOT RECEIVING
PROPER INPUT FROM
THE IGNITION SWITCH.
1. USE A DRB III
T
SCAN TOOL TO VERIFY IGNITION
SWITCH STATUS INTO THE BCM. IF NOT OK, GO
TO STEP (2). IF OK, LOOK AT ANOTHER POSSIBLE
CAUSE OF FAILURE.
2. CHECK IGNITION SWITCH FUNCTION AND
WIRING.
INTERNAL CLUSTER
FAILURE.
REPLACE CLUSTER.
WAKE UP CIRCUIT
FAULTY.
VERIFY CONTINUITY OF WAKE UP CIRCUIT FROM
BCM TO MIC. CIRCUIT SHALL BE LOW WHENEVER
BCM IS AWAKE.
POWER OR GROUND
MISSING.
IF NO RESPONSE FROM THE MIC, CHECK FOR
POWER AND GROUND AT THE MIC CONNECTOR.
REFER TO WIRING DIAGRAMS FOR CONNECTOR
CALL OUTS.
RS
INSTRUMENT CLUSTER
8J - 3
INSTRUMENT CLUSTER (Continued)
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.
•
IF SPEEDOMETER POINTER MOVES TO
CALIBRATION POINTS DURING TEST LOOK FOR
ANOTHER POSSIBLE CAUSE OF FAILURE.
•
IF THE POINTER DOESN’T MOVE DURING TEST,
CHECK FOR POWER AND GROUND TO THE MIC. IF
POWER AND GROUND ARE PRESENT GO TO STEP
1.B.
1.B. REPLACE CLUSTER. GO TO STEP 1.C.
1.C. CONNECT CLUSTER INTO INSTRUMENT
PANEL WIRING HARNESS. PLACE IT BACK INTO
THE PROPER POSITION IN THE INSTRUMENT
PANEL. PUT IN THE TOP FOUR MOUNTING
SCREWS AND SECURE THE CLUSTER TO THE
INSTRUMENT PANEL.
2. NO SPEED PCI BUS
MESSAGE OR ZERO
MPH PCI SPEED BUS
MESSAGE.
2.A. CHECK THE PCM (CODE 10) USING A DRB III
T
SCAN TOOL. IF OK, GO TO STEP 2.B. IF NOT OK,
REFER TO THE PROPER POWERTRAIN
DIAGNOSTIC PROCEDURES MANUAL TO REPAIR
THE PCM.
2.B. CHECK THE SPEED SIGNAL INPUT INTO THE
PCM. THE SPEED SIGNAL ORIGINATES FROM THE
TCM FOR VEHICLES WITH THE 4 SPEED
ELECTRONIC TRANSMISSIONS. CHECK
CONTINUITY FROM TCM TO PCM. IF OK, USE A
DRB III
T
SCAN TOOL TO CHECK TCM. REFER TO
THE PROPER TRANSMISSION DIAGNOSTIC
PROCEDURES MANUAL TO REPAIR THE TCM. IF
NOT OK, REPAIR WIRING.
8J - 4
INSTRUMENT CLUSTER
RS
INSTRUMENT CLUSTER (Continued)
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