Dodge Nitro. Manual - part 151

Disconnect the Brake Fluid Level Switch harness connector.

Reconnect the TIPM harness connector. 

Measure the resistance of the (Z905) Brake Fluid Level Switch ground circuit between the Brake Fluid 
Level Switch harness connector and ground. 

Is the resistance below 5.0 ohms?  

Yes  

Replace and program the Totally Integrated Power Module in accordance with the Service 
Information.  

Perform ABS VERIFICATION TEST.  

No  

Repair the open or high resistance in the (Z905) Sensor ground circuit.  

Perform POWERTRAIN VERIFICATION TEST .  

C100A-LEFT FRONT WHEEL SPEED SENSOR CIRCUIT 

 

2007 Dodge Nitro R/T 

2007 BRAKES ABS - Electrical Diagnostics - Nitro

  

Fig. 5: 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

  

With the ignition on. 

Set Condition: 

When the Left Front Wheel Speed Sensor (WSS) circuit fails the diagnostic test. 

Diagnostic Test 

1) CHECK FOR DTC C100A-LEFT FRONT WHEEL SPEED SENSOR CIRCUIT 

Turn the ignition on. 

With the scan tool, record and erase DTCs. 

Cycle the ignition switch from off to on. 

With the scan tool, read DTCs. 

Does the scan tool display: C100A-LEFT FRONT WHEEL SPEED SENSOR CIRCUIT?  

Yes  

Go to 2).  

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.  

2) CHECK CONNECTOR/TERMINAL FOR DAMAGE 

Possible Causes 

WIRING HARNESS, TERMINAL, CONNECTOR DAMAGE
(B9) LEFT FRONT WSS 12 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE, GROUND, OR 
OPEN
(B8) LEFT FRONT WSS SIGNAL CIRCUIT SHORTED TO VOLTAGE, GROUND, OR OPEN
(B8) LEFT FRONT WSS SIGNAL CIRCUIT SHORTED TO (B9) LEFT FRONT WSS 12 VOLT 
SUPPLY CIRCUIT
LEFT FRONT WSS
ANTI-LOCK BRAKES MODULE

NOTE:

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

NOTE:

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

 

2007 Dodge Nitro R/T 

2007 BRAKES ABS - Electrical Diagnostics - Nitro

  

Turn the ignition off. 

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

Is the Left Front WSS or any of the connectors/terminals damaged?  

Yes  

Repair as necessary.  

Perform ABS VERIFICATION TEST.  

No  

Go to 3).  

3) CHECK (B9) LEFT FRONT WSS 12 VOLT SUPPLY CIRCUIT VOLTAGE 

 

2007 Dodge Nitro R/T 

2007 BRAKES ABS - Electrical Diagnostics - Nitro