Dodge Nitro. Manual - part 175

Yes  

Go to 3).  

No  

Perform the ABS INTERMITTENT CONDITION diagnostic procedure.  

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

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 THE LEFT REAR TONE WHEEL/BEARING FOR DAMAGE 

NOTE:

Check the tone wheel teeth for missing teeth, cracks, or looseness. Teeth 
should be perfectly square, not bent, or nicked.

 

2007 Dodge Nitro R/T 

2007 BRAKES ABS - Electrical Diagnostics - Nitro

  

Check the Left Rear Tone Wheel/Bearing for damage.

Check the Left Rear Tone Wheel for dirt. 

Was the tone wheel dirty?  

Yes  

Clean tone wheel and sensor. Clear codes and retest.  

Perform ABS VERIFICATION TEST.  

No  

Replace the Left Rear Tone Wheel/Bearing in accordance with the Service Information.  

Perform ABS VERIFICATION TEST.  

C1044-RIGHT REAR TONE WHEEL PERFORMANCE 

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article. 

When Monitored: 

With the ignition on. 

Set Condition: 

When the Anti-Lock Brake Module detects periodic drops of a Wheel Speed Sensor (WSS) signal. 

Diagnostic Test 

1) CHECK FOR A DTC C1044-RIGHT REAR TONE WHEEL PERFORMANCE 

Turn the ignition on. 

With the scan tool, read DTCs. 

Record DTC and Freeze Frame information.

Possible Causes 

DIRTY TONE WHEEL/SENSOR
IMPROPER RIGHT REAR TIRE PRESSURE/MISMATCHED TIRES
AXLE SHAFT FASTENER HARDWARE
RIGHT REAR TONE WHEEL/BEARING DAMAGE

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, erase DTCs. 

Cycle the ignition switch off then on. 

Test drive the vehicle in a straight line to 40 km/h (25 mph). 

With the scan tool, read DTCs. 

Does the scan tool display: C1044-RIGHT REAR TONE WHEEL PERFORMANCE?  

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  

Refer to the INTERMITTENT CONDITION diagnostic procedure.  

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 THE RIGHT REAR TONE WHEEL FOR DAMAGE 

Check the Right Rear Tone Wheel for damage. 

Check the Right Rear Tone Wheel for dirt. 

Was the tone wheel dirty?  

NOTE:

Check the tone wheel teeth for missing teeth, cracks, or looseness. Teeth 
should be perfectly square, not bent, or nicked.

 

2007 Dodge Nitro R/T 

2007 BRAKES ABS - Electrical Diagnostics - Nitro