Dodge Nitro. Manual — part 172

Go to 7).

7) CHECK RIGHT REAR TONE WHEEL FOR DAMAGE

Inspect the Right Rear Tone Wheel for damage, missing teeth, cracks, corrosion or looseness.

Is the Right Rear Tone Wheel damaged?

Yes

Repair as necessary.

Perform ABS VERIFICATION TEST.

No

Go to 8).

8) CHECK RIGHT REAR WHEEL BEARING FOR DAMAGE

Inspect the Right Rear wheel bearing for excessive runout or clearance.

Is the Right Rear Wheel Bearing Damaged?

Yes

Repair as necessary.

Perform ABS VERIFICATION TEST.

No

Go to 9).

9) RIGHT REAR WHEEL SPEED SENSOR

Replace the Right Rear Wheel Speed Sensor in accordance with the Service Information.

Perform ABS VERIFICATION TEST.

Road test the vehicle over 40 km/h (25 mph).

NOTE:

The Tone Wheel teeth should be perfectly square, not bent, or nicked.

NOTE:

Refer to the appropriate service information, if necessary, for procedures
or specifications.

NOTE:

Vehicle must be driven above 40 km/h (25 mph) for set conditions to be
met.

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

With the scan tool, read ABS DTCs.

Did DTC C1032-RIGHT REAR WHEEL SPEED SENSOR SIGNAL ERRATIC PERFORMANCE
reset?

Yes

Replace the Anti-Lock Brakes Module in accordance with the Service Information.

Perform ABS VERIFICATION TEST.

No

Test Complete.

C1035-RIGHT REAR WHEEL SPEED COMPARATIVE PERFORMANCE

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

With the ignition on.

Set Condition:

When the Right Rear Wheel Speed Sensor (WSS) reading is different from the readings received from the
other sensors at a vehicle speed above 40 km/h (25 mph). The Anti-Lock Brake Module compares WSS
readings from side-to-side on an axle and front-to-rear.

Diagnostic Test

1) CHECK FOR DTC C1035-RIGHT REAR WHEEL SPEED COMPARATIVE
PERFORMANCE

Turn the ignition on.

Possible Causes

RIGHT REAR WSS LOOSE - B1, B2 CIRCUITS/CONNECTOR/TERMINAL DAMAGE
IMPROPER RIGHT REAR TIRE PRESSURE/MISMATCHED TIRES
RIGHT REAR TONE WHEEL/BEARING DAMAGE
AXLE SHAFT FASTENER HARDWARE
RIGHT REAR WSS
ANTI-LOCK BRAKE MODULE

NOTE:

This DTC must be active for the results of this test to be valid.

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

With the scan tool, record and erase DTCs.

Road test the vehicle over 40 km/h (25 mph).

With the scan tool, read DTCs.

Does the scan tool display: C1035-RIGHT REAR WHEEL SPEED COMPARATIVE
PERFORMANCE active?

Yes

Go to 3).

No

Go to 2).

2) CHECK WHEEL SPEED SENSOR SIGNALS

Turn the ignition on.

With the scan tool, monitor and graph ALL the WSS speeds and compare graph while an assistant drives
the vehicle.

Slowly accelerate as straight as possible from a stop to 40 km/h (25 mph).

Is the Right Rear WSS speed showing 0 km/h (0 mph) or not matching other wheels or showing
erratic behavior?

Yes

Go to 3).

No

The condition that caused the symptom is currently not present. Inspect the related wiring for a
possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.

Refer to the ABS INTERMITTENT CONDITION.

CAUTION: Ensure brake capability is available before road testing.

NOTE:

Vehicle must be driven above 40 km/h (25 mph) for set conditions to be
met.

NOTE:

If graph shows periodic dropouts pay close attention to the tone wheel.

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

3) CHECK FOR IMPROPER RIGHT REAR TIRE PRESSURE/MISMATCHED TIRES

Turn the ignition off.

Check and adjust the Right Rear Tire pressure.

Check and adjust all other tire pressures.

Inspect for mismatched tires on vehicle.

Is the Right Rear Tire improperly inflated or mismatched tires on vehicle?

Yes

Repair as necessary.

Perform ABS VERIFICATION TEST.

No

Go to 4).

4) CHECK AXLE SHAFT FASTENER HARDWARE FOR LOOSENESS

Inspect the axle shaft fastener for looseness, and not properly fastened. Tighten fastener to proper
specification as required.

Was the Axle Shaft fastener loose?

Yes

Repair as necessary.

No

Go to 5).

5) CHECK RIGHT REAR WSS LOOSENESS, INSPECT B1, B2 CIRCUITS/TERMINALS FOR
DAMAGE

Inspect the Anti-Lock Brake Module harness connector, Right Rear WSS, and Right Rear WSS harness
connector

Inspect the Right Rear WSS for looseness, excessive corrosion and not properly fastened.

Inspect the (B1) Right Rear WSS Signal and (B2) Right Rear WSS Supply circuits between the Right

NOTE:

Check all terminals for broken, bent, pushed out, or corroded terminals

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro