Diagnostic Test
- 1) CHECK FOR A DTC C1032-RIGHT REAR WHEEL SPEED SENSOR SIGNAL ERRATIC PERFORMANCE NOTE: This DTC must be active for the results of this test to be valid.
Turn the ignition on.
With the scan tool, read DTCs.
Record DTC and Freeze Frame information.
With the scan tool, erase DTCs.
CAUTION: Ensure braking capability is available before road testing.Drive the vehicle over 25 Km/h (15 mph).
Park the vehicle and cycle the ignition switch from off to on.
With the scan tool, read DTCs.
Does the scan tool display: C1032-RIGHT REAR WHEEL SPEED SENSOR SIGNAL ERRATIC PERFORMANCE?
Yes
- Go To step 2).
No
- Refer ABS-INTERMITTENT CONDITION .
- Perform ABS VERIFICATION TEST - VER 1 .
- 2) CHECK THE TERMINALS/CONNECTORS/TONE WHEEL FOR DAMAGE NOTE: Check all related wiring for bruised, chafed, pierced, or partially broken wires.NOTE: Check all related connectors for broken, bent, pushed out, or corroded terminals.NOTE: Check the tone wheel teeth for missing teeth, cracks, or looseness. Teeth should be perfectly square, not bent, or nicked.
Turn the ignition off.
Inspect the Anti-Lock Brake Module harness connector, Right Rear WSS, Right Rear WSS harness connector, and Right Rear WSS tone wheel (if applicable).
Were any problems found?
Yes
- Repair as necessary.
- Perform ABS VERIFICATION TEST - VER 1 .
No
- Go To step 3).
- 3) (B1) RIGHT REAR WSS SIGNAL CIRCUIT SHORTED TO THE (B2) RIGHT REAR WSS SUPPLY CIRCUIT
Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Disconnect the Right Rear WSS harness connector.
Measure the resistance between the (B1) Right Rear WSS Signal and the (B2) Right Rear WSS Supply circuits at the Right Rear WSS harness connector.
Is the resistance above 5.0 ohms?
Yes
- Go To step 4).
No
- Repair the (B1) Right Rear WSS Signal circuit for a short to the (B2) Right Rear WSS Supply circuit.
- Perform ABS VERIFICATION TEST - VER 1 .
- 4) CHECK THE VOLTAGE ON THE (B2) RIGHT REAR WSS SUPPLY CIRCUIT
Turn the ignition off.
Connect the Anti-Lock Brake Module harness connector.
Turn the ignition on.
Measure the voltage of the (B2) Right Rear WSS Supply circuit in the Right Rear WSS harness connector.
Is the voltage above 10 volts?
Yes
- Go To step 8).
No
- Go To step 5).
- 5) (B2) RIGHT REAR WSS SUPPLY CIRCUIT SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Turn the ignition on.
Measure the voltage of the (B2) Right Rear WSS Supply circuit.
Is there any voltage present?
Yes
- Repair the (B2) Right Rear WSS Supply circuit for a short to voltage.
- Perform ABS VERIFICATION TEST - VER 1 .
No
- Go To step 6).
- 6) (B2) RIGHT REAR WSS SUPPLY CIRCUIT SHORT TO GROUND
Turn the ignition off.
Measure the resistance between ground and the (B2) Right Rear WSS Supply circuit.
Is the resistance below 5.0 ohms?
Yes
- Repair the (B2) Right Rear WSS Supply circuit for a short to ground.
- Perform ABS VERIFICATION TEST - VER 1 .
No
- Go To step 7).
- 7) (B2) RIGHT REAR WSS SUPPLY CIRCUIT OPEN
Measure the resistance of the (B2) Right Rear WSS Supply circuit.
Is the resistance below 5.0 ohms?
Yes
- Replace the Anti-Lock Brake Module in accordance with the Service Information.
- Perform ABS VERIFICATION TEST - VER 1 .
No
- Repair the (B2) Right Rear WSS Supply circuit for an open.
- Perform ABS VERIFICATION TEST - VER 1 .
- 8) CHECK THE (B2) RIGHT REAR WSS SUPPLY AND THE (B1) RIGHT REAR WSS SIGNAL VOLTAGE
Measure the voltage between the (B2) Right Rear WSS Supply and (B1) Right Rear WSS Signal circuits at the Right Rear WSS harness connector.
Is the voltage above 10 volts?
Yes
- Go To step 11).
No
- Go To step 9).
- 9) (B1) RIGHT REAR WSS SIGNAL CIRCUIT SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the Anti-Lock Brake Module harness connector.
Turn the ignition on.
Measure the voltage of the (B1) Right Rear WSS Signal circuit.
Is there any voltage present?
Yes
- Repair the (B1) Right Rear WSS Signal circuit for a short to voltage.
- Perform ABS VERIFICATION TEST - VER 1 .
No
- Go To step 10).
- 10) (B1) RIGHT REAR WSS SIGNAL CIRCUIT OPEN
Turn the ignition off.
Measure the resistance of the (B1) Right Rear WSS Signal circuit.
Is the resistance above 5.0 ohms?
Yes
- Repair the (B1) Right Rear WSS Signal circuit for an open.
- Perform ABS VERIFICATION TEST - VER 1 .
No
- Replace the Anti-Lock Brake Module in accordance with the Service Information.
- Perform ABS VERIFICATION TEST - VER 1 .
- 11) CHECK THE (B1) RIGHT REAR WSS SIGNAL CIRCUIT FOR A SHORT TO GROUND
Turn the ignition off.
Measure the resistance between ground and the (B1) Right Rear WSS Signal circuit.
Is the resistance below 5.0 ohms?
Yes
- Repair the (B1) Right Rear WSS Signal circuit for a short to ground.
- Perform ABS VERIFICATION TEST - VER 1 .
No
- Go To step 12).
- 12) CHECK THE (B1) RIGHT REAR WSS SIGNAL VOLTAGE AT THE RIGHT REAR WSS HARNESS CONNECTOR
Turn the ignition off.
Reconnect all connectors.
Turn the ignition on.
While back probing, measure the voltage between the (B1) Right Rear WSS Signal circuit at the Right Rear WSS harness connector and ground.
Slowly rotate the wheel by hand.
Does the (B1) Right Rear WSS Signal circuit voltage toggle between approximately 1.6 and.8 volts?
Yes
- Go To step 13).
No
- Replace the Right Rear WSS in accordance with the Service Information.
- Perform ABS VERIFICATION TEST - VER 1 .
- 13) CHECK THE (B1) RIGHT REAR WSS SIGNAL VOLTAGE AT THE ANTI-LOCK BRAKE MODULE HARNESS CONNECTOR
Turn the ignition off.
Turn the ignition on.
While back probing, measure the voltage between the (B1) Right Rear WSS Signal circuit at the Anti-Lock Brake Module harness connector and ground.
Slowly rotate the wheel by hand.
Does the (B1) Right Rear WSS Signal circuit voltage toggle between approximately 1.6 and.8 volts?
Yes
- Replace the Anti-Lock Brake Module in accordance with the Service Information.
- Perform ABS VERIFICATION TEST - VER 1 .
No
- Repair the (B1) Right Rear WSS Signal circuit for an open.
- Perform ABS VERIFICATION TEST - VER 1 .