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VSA System




Control System DTCs

VSA DTC Troubleshooting: 11-11, 13-11, 15-11, 17-11

DTC 11-11 : Right-Front Wheel Speed Sensor Circuit Malfunction
DTC 13-11 : Left-Front Wheel Speed Sensor Circuit Malfunction
DTC 15-11 : Right-Rear Wheel Speed Sensor Circuit Malfunction
DTC 17-11 : Left-Rear Wheel Speed Sensor Circuit Malfunction

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information Reading and Clearing Diagnostic Trouble Codes.

1. Problem verification:

Problem verification
-1. Turn the ignition switch to ON (II).

-2. Clear the DTC with the HDS.

-3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

-4. Check for DTCs with the HDS.

Is DTC 11-11, 13-11, 15-11, or 17-11 indicated?
-YES- The failure is duplicated. Go to step 2.
-NO- Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.

2. Shorted wire check (Wheel speed sensor lines to ground):

Shorted wire check (Wheel speed sensor lines to ground)
-1. Turn the ignition switch to LOCK (0).

-2. Disconnect the following connector.





-3. Check for continuity between body ground and the appropriate wheel speed sensor +B and GND terminals of the VSA modulator-control unit 22P connector individually (see table).














Is there continuity?
-YES- Wheel speed sensor wires are shorted to ground. Go to step 3.
-NO- The wheel speed sensor wires are OK. Go to step 4.

3. Wheel speed sensor(s) check 1:

Wheel speed sensor(s) check 1
-1. Disconnect the following connector.





-2. Check for continuity between test points 1 and 2.














Is there continuity?
-YES- The wheel speed sensor wires are OK. Replace the appropriate front wheel speed sensor Front Wheel Speed Sensor Removal and Installation or rear wheel speed sensor Rear Wheel Speed Sensor Removal and Installation.
-NO- Repair a short to body ground in the wire between the VSA modulator-control unit and the wheel speed sensor.

4. Shorted wire check (Wheel speed sensor lines to power):

Shorted wire check (Wheel speed sensor lines to power)
-1. Turn the ignition switch to ON (II).

-2. Measure the voltage between body ground and the appropriate wheel speed sensor +B and GND terminals of the VSA modulator-control unit 22P connector individually (see table).














Is there 0.1 V or more?
-YES- Wheel speed sensor wires are shorted to power. Go to step 5.
-NO- The wheel speed sensor wires are OK. Go to step 6.

5. Wheel speed sensor(s) check 2:

Wheel speed sensor(s) check 2
-1. Turn the ignition switch to LOCK (0).

-2. Disconnect the following connector.





-3. Turn the ignition switch to ON (II).

-4. Measure the voltage between test points 1 and 2.














Is there 0.1 V or more?
-YES- The wheel speed sensor wires are OK. Replace the appropriate front wheel speed sensor Front Wheel Speed Sensor Removal and Installation or rear wheel speed sensor Rear Wheel Speed Sensor Removal and Installation.
-NO- Repair a short to power in the wire between the VSA modulator-control unit and the appropriate wheel speed sensor.

6. Shorted wire check (Wheel speed sensor lines wire to wire):

Shorted wire check (Wheel speed sensor lines wire to wire)
-1. Turn the ignition switch to LOCK (0).

-2. Disconnect the following connector.





-3. Check for continuity between the appropriate VSA modulator-control unit 22P connector wheel speed sensor +B and GND terminals (see table).














Is there continuity?
-YES- Repair a short in the wires between the appropriate wheel speed sensor and the VSA modulator-control unit.
-NO- The wheel speed sensor wires are OK. Go to step 7.

7. Open wire check (Wheel speed sensor lines) 1:

Open wire check (Wheel speed sensor lines) 1
-1. Check for continuity between the appropriate VSA modulator-control unit 22P connector terminal and the appropriate wheel speed sensor 2P connector terminal (see table).














Is there continuity?
-YES- Go to step 8.
-NO- Repair an open in the wire between the appropriate wheel speed sensor and the VSA modulator-control unit.

8. Open wire check (Wheel speed sensor lines) 2:

Open wire check (Wheel speed sensor lines) 2
-1. Check for continuity between the appropriate VSA modulator-control unit 22P connector terminal and the appropriate wheel speed sensor 2P connector terminal (see table).














Is there continuity?
-YES- If a DTC is indicated for either one of the front or rear wheels as described in step 1, go to step 9.
-YES- If DTCs are indicated for both front or rear wheels as described in step 1, go to step 10.
-NO- Repair an open in the wire between the appropriate wheel speed sensor and the VSA modulator-control unit.

9. Wheel speed sensor(s) check 3:

Wheel speed sensor(s) check 3
-1. Swap the appropriate front left and front right wheel speed sensors Front Wheel Speed Sensor Removal and Installation or rear left and rear right wheel speed sensors Rear Wheel Speed Sensor Removal and Installation.

-2. Reconnect the following connectors.





-3. Turn the ignition switch to ON (II).

-4. Clear the DTC with the HDS.

-5. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

-6. Check for DTCs with the HDS.





Is the DTC indicated for the opposite wheel?
-YES- Replace the original front wheel speed sensor Front Wheel Speed Sensor Removal and Installation or rear wheel speed sensor Rear Wheel Speed Sensor Removal and Installation.
-NO- Go to step 11.

10. Wheel speed sensor(s) check (substitution):

Wheel speed sensor(s) check (substitution)
-1. Substitute a known-good front wheel speed sensor Front Wheel Speed Sensor Removal and Installation or rear wheel speed sensor Rear Wheel Speed Sensor Removal and Installation.

-2. Reconnect the following connectors.





-3. Turn the ignition switch to ON (II).

-4. Clear the DTC with the HDS.

-5. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

Is DTC 11-11, 13-11, 15-11, or 17-11 indicated?
-YES- Go to step 11.
-NO- Replace the original front wheel speed sensor Front Wheel Speed Sensor Removal and Installation or rear wheel speed sensor Rear Wheel Speed Sensor Removal and Installation.

11. VSA modulator-control unit check (update):

VSA modulator-control unit check (update)
-1. Update the VSA modulator-control unit if it does not have the latest software Programming and Relearning.

-2. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

-3. Check for DTCs with the HDS.

Is DTC 11-11, 13-11, 15-11, or 17-11 indicated?
-YES- Check for loose terminals in the VSA modulator-control unit 22P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit Service and Repair.
-NO- Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.
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