Dodge Nitro. Manual — part 801

Fig. 8: Identifying Plastic Rear Cover, Cluster Housing, Plastic Cluster Lens & Mask Unit
Courtesy of CHRYSLER LLC

1. Position the cluster hood and mask unit (3) over the face of the cluster housing (2). Be certain that the

odometer/trip odometer switch push button is inserted through the clearance hole in the mask.

2. Working around the perimeter of the cluster, press the hood and mask over the face of the cluster housing

until each of the eight integral latch features is fully engaged in the receptacles of the housing.

3. Reinstall the cluster lens (5) onto the face of the cluster hood and mask unit. Refer to step CLUSTER

LENS.

4. Reinstall the instrument cluster onto the instrument panel. See INSTALLATION.

5. Reconnect the battery negative cable.

INSTALLATION

INSTRUMENT CLUSTER

WARNING:

To avoid serious or fatal injury on vehicles equipped with airbags, disable
the Supplemental Restraint System (SRS) before attempting any steering
wheel, steering column, airbag, Occupant Classification System (OCS),
seat belt tensioner, impact sensor, or instrument panel component
diagnosis or service. Disconnect and isolate the battery negative (ground)
cable, then wait two minutes for the system capacitor to discharge before
performing further diagnosis or service. This is the only sure way to
disable the SRS. Failure to take the proper precautions could result in
accidental airbag deployment.

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Instrument Cluster - Service Information - Nitro

Fig. 9: Removing/Installing Screws That Secure Instrument Cluster To Instrument Panel Base Trim
Courtesy of CHRYSLER LLC

1. Position the instrument cluster (1) close enough to the instrument panel to reconnect the instrument panel

wire harness connectors to the connector receptacles on the back of the cluster housing.

2. Position the instrument cluster mounting tabs to the mounting holes in the instrument panel base trim (2).

3. Install and tighten the four screws (3) that secure the mounting tabs of the instrument cluster. Tighten the

screws to 2 N.m (17 in. lbs.).

4. Reinstall the cluster bezel onto the instrument panel. Refer to INSTALLATION .

5. Reconnect the battery negative cable.

SPECIFICATIONS

INSTRUMENT CLUSTER

TORQUE SPECIFICATIONS

NOTE:

Certain indicators in this instrument cluster are automatically configured. This
feature allows those indicators to be activated or deactivated for compatibility
with certain optional equipment. If a problem is noted that involves improper
illumination of an indicator, disconnect and isolate the battery negative cable.
After about five minutes, reconnect the battery negative cable and turn the
ignition switch to the ON position. The instrument cluster should automatically
relearn the equipment in the vehicle and properly configure the configurable
indicators accordingly.

DESCRIPTION

N-m

Ft. Lbs.

In. Lbs.

Instrument Cluster

Mounting Screws

2

-

17

Instrument Panel Switch

Pod Mounting Screws

2

-

17

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Instrument Cluster - Service Information - Nitro

ABS INDICATOR

DESCRIPTION

ABS INDICATOR

Fig. 10: ABS Indicator
Courtesy of CHRYSLER LLC

An Antilock Brake System (ABS) indicator is standard equipment on all instrument clusters. This indicator is
located near the bottom of the speedometer dial face of the cluster overlay, just left of center. Illumination of
this indicator may also be accompanied by the display of certain textual messages in the cluster odometer
display.

The ABS indicator consists of a stencil-like cutout of the International Control and Display Symbol icon for
Failure of Anti-lock Braking System in the opaque layer of the instrument cluster overlay. The dark outer
layer of the overlay prevents the indicator from being clearly visible when it is not illuminated. An amber Light
Emitting Diode (LED) behind the cutout in the opaque layer of the overlay causes the indicator to appear in
amber through the translucent outer layer of the overlay when it is illuminated from behind by the LED, which
is soldered onto the instrument cluster electronic circuit board.

The ABS indicator is serviced as a unit with the instrument cluster.

OPERATION

ABS INDICATOR

The ABS indicator gives an indication to the vehicle operator when the ABS system, or a circuit or component
of the system is ineffective. This indicator is controlled by a transistor on the instrument cluster circuit board
based upon cluster programming and electronic messages received by the cluster from the Controller Antilock
Brake (CAB) over the Controller Area Network (CAN) data bus.

The ABS indicator Light Emitting Diode (LED) is completely controlled by the instrument cluster logic circuit,
and that logic will only allow this indicator to operate when the instrument cluster receives a battery current
input on the fused ignition switch output (run-start) circuit. Therefore, the LED will always be OFF when the

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Instrument Cluster - Service Information - Nitro

ignition switch is in any position except ON or START. The LED only illuminates when it is provided a path to
ground by the instrument cluster transistor. The instrument cluster will turn ON the ABS indicator for the
following reasons:



Bulb Test - Each time the ignition switch is turned to the ON position the ABS indicator is illuminated
for about three seconds as a bulb test. The entire bulb test is a function of the CAB.



ABS Indicator Lamp-On Message - Each time the cluster receives an electronic ABS indicator lamp-
ON message from the CAB, the ABS indicator will be illuminated. The indicator remains illuminated
until the cluster receives a lamp-OFF message from the CAB, or until the ignition switch is turned to the
OFF position, whichever occurs first.



Communication Error - If the cluster receives no lamp-ON or lamp-OFF messages from the CAB for
five consecutive message cycles, the ABS indicator is illuminated. The indicator remains illuminated
until the cluster receives a valid message from the CAB, or until the ignition switch is turned to the OFF
position, whichever occurs first.



Actuator Test - Each time the instrument cluster is put through the actuator test and the Totally
Integrated Power Module (TIPM) is configured for the ABS option, the ABS indicator will be turned ON,
then OFF again during the bulb check portion of the test to confirm the functionality of the LED and the
cluster control circuitry.



ABS Diagnostic Test - The ABS indicator is blinked ON and OFF by lamp-ON and lamp-OFF messages
from the CAB during the performance of the ABS diagnostic tests.

The CAB continually monitors the ABS circuits and sensors to decide whether the system is in good operating
condition. The CAB then sends the proper lamp-ON or lamp-OFF message to the Electro Mechanical
Instrument Cluster (EMIC) (also known as the Cab Compartment Node/CCN). If the CAB sends a lamp-ON
message after the bulb test, it indicates that the CAB has detected a system malfunction or that the ABS system
has become ineffective. The CAB will store a Diagnostic Trouble Code (DTC) for any malfunction it detects.
Each time the ABS indicator fails to light due to an open or short in the cluster ABS indicator circuit, the cluster
sends a message notifying the CAB of the condition, then the instrument cluster and the CAB will each store a
DTC and the cluster will flash the brake indicator ON and OFF as a backup to notify the vehicle operator.

For proper diagnosis of the antilock brake system, the CAB, the EMIC, the CAN data bus or the electronic
communication related to ABS indicator operation a diagnostic scan tool is required. Refer to the appropriate
diagnostic information.

AIRBAG INDICATOR

DESCRIPTION

AIRBAG INDICATOR

2007 Dodge Nitro R/T

2007 ACCESSORIES AND EQUIPMENT Instrument Cluster - Service Information - Nitro