Dodge Nitro. Manual — part 152

Fig. 6: Measuring Voltage Of (B9) Left Front WSS 12 Volt Supply Circuit
Courtesy of CHRYSLER LLC

Disconnect the Left Front WSS harness connector.

Turn the ignition on.

Measure the voltage of the (B9) Left Front WSS 12 Volt Supply circuit.

Is the voltage above 10.0 volts?

Yes

Go to 6).

No

Go to 4).

4) CHECK (B9) LEFT FRONT WSS SUPPLY CIRCUIT SHORT TO GROUND

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Fig. 7: Probing (B9) Left Front WSS Supply Circuit
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the Anti-Lock Brake Module harness connector.

Using a 12-volt test light connected to 12-volts, probe the (B9) Left Front WSS Supply circuit.

Does the test light illuminate brightly?

Yes

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Repair the (B9) Left Front WSS Supply circuit for a short to ground.

Perform ABS VERIFICATION TEST.

No

Go to 5).

5) CHECK (B9) LEFT FRONT WSS SUPPLY CIRCUIT OPEN

Fig. 8: Probing (B9) Left Front WSS Supply Circuit
Courtesy of CHRYSLER LLC

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Connect a jumper wire between ground and the (B9) Left Front WSS Supply circuit in the Anti-Lock
Brakes Module harness connector.

Using a 12-volt test light connected to 12-volts, probe the (B9) Left Front WSS Supply circuit.

Does the test light illuminate brightly?

Yes

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

Perform ABS VERIFICATION TEST.

No

Repair the (B9) Left Front WSS Supply circuit for an open.

Perform ABS VERIFICATION TEST.

6) CHECK (B8) LEFT FRONT WSS SIGNAL CIRCUIT SHORT TO GROUND

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro