Dodge Nitro. Manual — part 156

No

Go to 4).

4) CHECK LEFT FRONT WSS LOOSENESS, INSPECT B8, B9 CIRCUITS/TERMINALS FOR
DAMAGE

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

Inspect the Left Front WSS for looseness, excessive corrosion and not properly fastened.

Inspect the (B8) Left Front WSS Signal and (B9) Left Front WSS Supply circuits between the Left Front
WSS and Anti-Lock Brake Module for damage.

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

Yes

Repair as necessary.

Perform ABS VERIFICATION TEST.

No

Go to 5).

5) CHECK LEFT FRONT WHEEL SPEED SENSOR FOR DAMAGE

Remove the Left Front Wheel Speed Sensor

Inspect the Left Front Wheel Speed Sensor face for damage.

Is the Left Front Wheel Speed Sensor damaged?

Yes

Replace sensor and hub assembly.

Perform ABS VERIFICATION TEST.

No

Go to 6).

6) CHECK LEFT FRONT TONE WHEEL/BEARING FOR DAMAGE

Inspect the Left Front Tone Wheel/Bearing for damage, missing teeth, cracks, corrosion or looseness.

NOTE:

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

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Is the Left Front Tone Wheel/Bearing damaged?

Yes

Repair as necessary.

Perform ABS VERIFICATION TEST.

No

Go to 7).

7) LEFT FRONT WHEEL SPEED SENSOR

Replace the Left Front Wheel Speed Sensor in accordance with the Service Information.

Perform ABS VERIFICATION TEST.

Road test the vehicle over 40 km/h (25 mph).

With the scan tool, read ABS DTCs.

Did DTC C1014-LEFT FRONT WHEEL SPEED COMPARATIVE PERFORMANCE reset?

Yes

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

Perform ABS VERIFICATION TEST.

No

Test Complete.

C1015-RIGHT FRONT WHEEL SPEED SENSOR CIRCUIT

NOTE:

The Tone Wheel teeth should be perfectly square, not bent, or nicked.

NOTE:

Vehicle must be driven above 40 km/h (25 mph) for set conditions to be
met.

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Fig. 13: 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:

If the Right Front Wheel Speed Sensor (WSS) circuit fails the diagnostic test.

Diagnostic Test

1) CHECK FOR DTC C1015-RIGHT 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: C1015-RIGHT 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
(B7) RIGHT FRONT WSS 12 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE, GROUND, OR
OPEN
(B6) RIGHT FRONT WSS SIGNAL CIRCUIT SHORTED TO VOLTAGE, GROUND, OR OPEN
(B6) RIGHT FRONT WSS SIGNAL CIRCUIT SHORTED TO (B7) RIGHT FRONT WSS 12 VOLT
SUPPLY CIRCUIT
RIGHT 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