Dodge Nitro. Manual — part 167

Turn the ignition off.

Check and adjust the Left Rear Tire pressure.

Check and adjust all other tire pressures.

Inspect for mismatched tires on vehicle.

Is the Left 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 LEFT REAR WSS LOOSENESS, INSPECT B3, B4 CIRCUITS/TERMINALS FOR
DAMAGE

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

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

Inspect the (B3) Left Rear WSS Signal and (B4) Left Rear WSS Supply circuits between the Left Rear
WSS and Anti-Lock Brake Module for damage.

Is the Left Rear WSS loose or any of the wiring/connectors/terminals damaged?

NOTE:

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

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Yes

Repair as necessary.

Perform ABS VERIFICATION TEST.

No

Go to 6).

6) CHECK LEFT REAR WHEEL SPEED SENSOR FOR DAMAGE

Remove the Left Rear Wheel Speed Sensor

Inspect the Left Rear Wheel Speed Sensor face for damage.

Is the Left Rear Wheel Speed Sensor damaged?

Yes

Replace sensor and hub assembly.

Perform ABS VERIFICATION TEST.

No

Go to 7).

7) CHECK LEFT REAR TONE WHEEL FOR DAMAGE

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

Is the Left Rear Tone Wheel damaged?

Yes

Repair as necessary.

Perform ABS VERIFICATION TEST.

No

Go to 8).

8) LEFT REAR WHEEL SPEED SENSOR

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

Perform ABS VERIFICATION TEST.

NOTE:

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

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

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

With the scan tool, read ABS DTCs.

Did DTC C102A-LEFT REAR WHEEL SPEED COMPARATIVE PERFORMANCE reset?

Yes

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

Perform ABS VERIFICATION TEST.

No

Test Complete.

C102B-RIGHT REAR WHEEL SPEED SENSOR CIRCUIT

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

Fig. 29: Wheel Speed Sensor Circuit Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro