sages, and indicator lamps is to keep the driver
informed about the operating condition of the vehicle.
If an abnormal condition occurs, the driver is
informed by gauges, an indicator lamp, and a chime.
The driver can seek service before damage occurs.

The instrument cluster has warning lamps and

indicators for the following systems that are located
within the message centers in the cluster:

• Airbag

• Antilock Brakes

• Brake Warning

• Front Fog Lamps

• High beam

• Left and Right Turn Signals

• Malfunction Indicator (ISO Symbol)

• Seat Belt Warning

• Skip-Shift (in Tachometer)

• Trunk Ajar

The message centers are part of the instrument

cluster and if found faulty or defective, the entire
cluster must be replaced (Refer to 8 - ELECTRICAL/
INSTRUMENT CLUSTER - REMOVAL). If only a
Light Emitting Diode (LED) is burned out, then the
entire cluster must be replaced.

The instrument panel has a Gauge Pack that is

connected to the instrument cluster via vehicle wir-
ing. It contains:

• Coolant Temperature Gauge and High Coolant

Temperature LED

• Oil Pressure Gauge and Low Oil Pressure LED

• Oil Temperature Gauge and High Oil Tempera-

ture LED

• Passenger Airbag OFF LED

• Voltage Gauge (Battery Charging) and Low/High

Charging Voltage LED

The instrument cluster has a Liquid Crystal Dis-

play (LCD) for the following systems:

• Door Ajar

• Doors Unlocked

• Lo Tire

• Odometer

• Trip Odometer

DESCRIPTION - EXPORT

The instrument cluster electronically drives the

speedometer, odometer, fuel gauge, and tachometer.
On the back of the cluster are two connectors.

INSTRUMENT CLUSTER

8J - 1

The purpose of the instrument cluster gauges, mes-

The instrument cluster has warning lamps and

indicators for the following systems that are located
within the message centers in the cluster:

• Airbag

• Antilock Brakes

• Brake Warning

• Front Fog Lamps

• Rear Fog Lamps

• High Beam

• Left and Right Turn Signals

• Malfunction Indicator (ISO Symbol)

• Seat Belt Warning

• Skip-Shift (in Tachometer)

• Trunk Ajar
The message centers are part of the instrument

The instrument panel has a Gauge Pack that is

connected to the instrument cluster via vehicle wir-
ing. It contains:

• Coolant Temperature Gauge and High Coolant

Temperature LED

• Oil Pressure Gauge and Low Oil Pressure LED

• Oil Temperature Gauge and High Oil Tempera-

ture LED

• Passenger Airbag OFF LED

• Voltage Gauge (Battery Charging) and Low/High

Charging Voltage LED

The instrument cluster has a Liquid Crystal Dis-

play (LCD) for the following systems:

• Door Ajar

• Doors Unlocked

• Lo Tire

• Odometer

• Trip Odometer

OPERATION

All gauges are the analog type. When the ignition

switch is moved to the OFF position, the cluster
drives each gauge to its lowest position. The individ-
ual gauges in the cluster and gauge pack are not ser-
viceable and require complete replacement of the
cluster or gauge pack as an assembly if one or more
gauges are inoperable.

The gauges are the magnetic air-core type. When

the ignition switch is OFF, the gauge pointers should
rest at or below the lowest graduation. The instru-
ment cluster and gauge pack may be checked quickly
by using the cluster self-diagnostics (Refer to 8 -
ELECTRICAL/INSTRUMENT CLUSTER - STAN-
DARD PROCEDURE - SELF-DIAGNOSTICS). After
bulb check, (with the key in the RUN position and
engine running) all MODULE warning indicators
(Airbag, ABS, MIL, Charging System, etc.) should be
extinguished. If any of these indicators stay ON
(excluding seat belt-if unbuckled), use the DRB III

scan tool to determine module faults. Also refer to
the proper Body Diagnostic Procedures manual for
cluster self-diagnostic results.

NOTE: If any of the gauge pointers are stuck on the
wrong side of the pointer stop, perform the instru-
ment cluster self-diagnostic check (Refer to 8 -
ELECTRICAL/INSTRUMENT CLUSTER - STANDARD
PROCEDURE

SELF-DIAGNOSTICS).

This

will

“sweep” all the pointers to the correct side of the
pointer stop.

One button is used to switch the display from trip

to total mileage. Holding the button when the display
is in the trip mode will reset the trip mileage. This
button is also used to put the cluster in self-diagnos-
tic mode (Refer to 8 - ELECTRICAL/INSTRUMENT
CLUSTER - STANDARD PROCEDURE - SELF-DI-
AGNOSTICS). Some of the indicators will come on
briefly for a bulb check when the ignition is turned
from OFF to ON. The LED’s are non serviceable and
if one or more warning indictor LED’s are out, the
entire cluster must be replaced.

The bulbs are serviceable. They are the fog lamp,

high beam, left and right turn signal, engine ISO
symbol, and ABS indicators.

In the event that the instrument cluster looses

communication with all other modules on the Pro-
grammable Communication Interface (PCI) data bus,
the cluster will display “nobuS” in the LCD display.
The LCD display also displays odometer trip or total
mileage.

The message center indicator lamps are an infor-

mation system that provides the following messages.

• Airbag indicator: is turned on by the Occupant

Restraint Controller (ORC) if a malfunction has
occurred that effects the Airbag system. There should
also be a Diagnostic Trouble Code (DTC) set in the
ORC.

• Antilock Brake indicator: turned on when

there is a detected system fault with the antilock
braking system. The Controller Antilock Brakes
(CAB) will store a DTC when this occurs.

8J - 2

INSTRUMENT CLUSTER

INSTRUMENT CLUSTER (Continued)

• Brake indicator: turned on if parking brake is

ON, there is a brake failure due to loss of brake fluid
pressure, or low fluid level.

• Front Fog indicator: when the front fog lamps

are selected ON.

• High Beam indicator: turned on when the high

beam lamps are selected ON.

• Malfunction Indicator (MIL) (ISO Symbol): is

turned on by the Powertrain Control Module (PCM).
If a malfunction has occurred that effects the emis-
sions system. There should be a diagnostic trouble
code set in the memory.

• Seat Belt indicator: turned on when the ignition

is turned ON and drivers seat belt is unbuckled. The
lamp is controlled though the Occupant Restraint
Controller (ORC).

• Trunk Ajar indicator: turned on when the

trunk is not latched. This will only illuminate when
the instrument cluster is awake.

OPERATION - EXPORT

All gauges are the analog type. When the ignition

The gauges are the magnetic air-core type. When

scan tool to determine module faults. Also refer to
the proper Body Diagnostic Procedures manual for
cluster self-diagnostic results.

SELF-DIAGNOSTICS).

This

will

“sweep” all the pointers to the correct side of the
pointer stop.

One button is used to switch the display from trip

to total mileage. Holding the button when the display

is in the trip mode will reset the trip mileage. This
button is also used to put the cluster in self-diagnos-
tic mode (Refer to 8 - ELECTRICAL/INSTRUMENT
CLUSTER - STANDARD PROCEDURE - SELF-DI-
AGNOSTICS). Some of the indicators will come on
briefly for a bulb check when the ignition is turned
from OFF to ON. The LED’s are non serviceable and
if one or more warning indictor LED’s are out, the
entire cluster must be replaced.

The bulbs are serviceable. They are the fog lamp,

high beam, left and right turn signal, engine ISO
symbol, and ABS indicators.

In the event that the instrument cluster looses

The message center indicator lamps are an infor-

mation system that provides the following messages.

• Airbag indicator: is turned on by the Occupant

Restraint Controller (ORC) if a malfunction has
occurred that effects the Airbag system. There should
also be a Diagnostic Trouble Code (DTC) set in the
ORC.

• Antilock Brake indicator: turned on when

there is a detected system fault with the antilock
braking system. The Controller Antilock Brakes
(CAB) will store a DTC when this occurs.

• Brake indicator: turned on if parking brake is

ON, there is a brake failure due to loss of brake fluid
pressure, or low fluid level.

• Front Fog indicator: turned on when the front

fog lamps are selected ON.

• Rear Fog indicator: turned on when the rear

fog lamps are selected ON.

• High Beam indicator: turned on when the high

beam lamps are selected ON.

• Malfunction Indicator (MIL) (ISO Symbol): is

turned on by the Powertrain Control Module (PCM).
If a malfunction has occurred that effects the emis-
sions system. There should be a diagnostic trouble
code set in the memory.

• Seat Belt indicator: turned on when the ignition

is turned ON and drivers seat belt is unbuckled. The
lamp is controlled though the Occupant Restraint
Controller (ORC).

• Trunk Ajar indicator: turned on when the

trunk is not latched. This will only illuminate when
the instrument cluster is awake.

INSTRUMENT CLUSTER

8J - 3

INSTRUMENT CLUSTER (Continued)

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