2002 DODGE RAM Service Repair Manual

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DODGE RAM 2002  Service Repair Manual indicator or the instrument cluster circuitry that con-
trols the LED, (Refer to 8 - ELECTRICAL/INSTRU-
MENT CLUSTER - DIAGNOSIS AND TESTING).
For proper diagnosis of the PCM, the CCD data bus,
or the

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DODGE RAM 2002  Service Repair Manual engine coolant temperature gauge is serviced as a
unit with the instrument cluster.
OPERATION
The engine coolant temperature gauge gives an
indication to the vehicle operator of the engine cool-
ant t

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DODGE RAM 2002  Service Repair Manual to the location of the fuel filler access. The fuel gauge
graphics are white against a black field except for a
single red graduation at the low end of the gauge
scale, making them clearly visible wit

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DODGE RAM 2002  Service Repair Manual instrument cluster housing with two screws. A face
plate on the indicator housing is visible through a
rectangular cutout in the lower right corner of the
instrument cluster overlay, just below the fu

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DODGE RAM 2002  Service Repair Manual high beam indicator. If no headlamp system problems
are found, the following procedure will help locate a
short or open in the high beam indicator circuit.
Refer to the appropriate wiring information.

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DODGE RAM 2002  Service Repair Manual Detection (CCD) data bus. The low fuel indicator
Light Emitting Diode (LED) receives battery current
on the instrument cluster electronic circuit board
through the fused ignition switch output (st-run

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DODGE RAM 2002  Service Repair Manual ²PCM Lamp-On Message- Each time the clus-
ter receives a lamp-on message from the PCM or
ECM, the indicator will be illuminated. The indicator
can be flashed on and off, or illuminated solid, as dic-

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DODGE RAM 2002  Service Repair Manual played when the ignition switch was turned to the
Off position.
²Trip Odometer Reset- When the trip odome-
ter reset switch is pressed and held for longer than
about two seconds, the trip odometer wi