Dodge Nitro. Manual — part 164

Turn the ignition off.

Disconnect the Anti-Lock Brake Module harness connector.

Using a 12-volt test light connected to 12-volts, probe the (B3) Left Rear WSS Signal circuit.

Does the test light illuminate brightly?

Yes

Repair the (B3) Left Rear WSS Signal circuit for a short to ground.

Perform ABS VERIFICATION TEST.

No

Go to 7).

7) CHECK (B3) LEFT REAR WSS SIGNAL CIRCUIT FOR AN OPEN

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Fig. 26: Probing (B3) Left Rear WSS Signal Circuit
Courtesy of CHRYSLER LLC

Connect a jumper wire between ground and the (B3) Left Rear WSS Signal circuit in the Anti-Lock
Brakes Module harness connector.

Using a 12-volt test light connected to 12-volts, probe the (B3) Left Rear WSS Signal circuit.

Does the test light illuminate brightly?

Yes

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Go to 8).

No

Repair the (B3) Left Rear WSS Signal circuit for an open.

Perform ABS VERIFICATION TEST.

8) CHECK (B3) LEFT REAR WSS SIGNAL CIRCUIT SHORT TO VOLTAGE

Fig. 27: Measuring Voltage Between (B3) Left Rear WSS Signal Circuit And Ground
Courtesy of CHRYSLER LLC

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Turn the ignition on.

Remove all jumper wires.

Measure the voltage between the (B3) Left Rear WSS Signal circuit and ground.

Is the voltage above one volt?

Yes

Repair the (B3) Left Rear WSS Signal circuit for a short to voltage.

Perform ABS VERIFICATION TEST.

No

Go to 9).

9) CHECK (B3) LEFT REAR WSS SIGNAL CIRCUIT AND (B4) LEFT REAR WSS 12 VOLT
SUPPLY CIRCUIT SHORTED TOGETHER

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro