Dodge Nitro. Manual — part 153

Fig. 9: Probing (B8) Left Front WSS Signal 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 (B8) Left Front WSS Signal circuit.

Does the test light illuminate brightly?

Yes

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Repair the (B8) Left Front WSS Signal circuit for a short to ground.

Perform ABS VERIFICATION TEST.

No

Go to 7).

7) CHECK (B8) LEFT FRONT WSS SIGNAL CIRCUIT OPEN

Fig. 10: Probing (B8) Left Front WSS Signal Circuit
Courtesy of CHRYSLER LLC

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Connect a jumper wire between ground and the (B8) Left Front WSS Signal circuit in the Anti-Lock
Brakes Module harness connector.

Using a 12-volt test light connected to 12-volts, probe the (B8) Left Front WSS Signal circuit.

Does the test light illuminate brightly?

Yes

Go to 8).

No

Repair the (B8) Left Front WSS Signal circuit for an open.

Perform ABS VERIFICATION TEST.

8) CHECK (B8) LEFT FRONT WSS SIGNAL CIRCUIT SHORT TO VOLTAGE

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Fig. 11: Measuring Voltage Between (B8) Left Front WSS Signal Circuit And Ground
Courtesy of CHRYSLER LLC

Turn the ignition on.

Remove all jumper wires.

Measure the voltage between the (B8) Left Front WSS Signal circuit and ground.

Is the voltage above one volt?

Yes

Repair the (B8) Left Front WSS Signal circuit for a short to voltage.

Perform ABS VERIFICATION TEST.

No

Go to 9).

9) CHECK (B8) LEFT FRONT WSS SIGNAL CIRCUIT AND (B9) LEFT FRONT WSS SUPPLY
CIRCUIT SHORT TOGETHER

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro