DTC Troubleshooting: 14

DTC 14: Torque Sensor (Resistance) DTC 14: Torque Sensor Initial

1. Turn the ignition switch ON (II).

1. Clear the DTC with the HDS.

1. Start the engine.

1. Turn the steering wheel fully to the left, and hold it in that position for 10 seconds or more.

Does the EPS indicator come on?

YES | - | Go to Step 5 .
NO | - | The system is OK at this time.■

1. Stop the engine, and verify the DTC.

Is DTC 14 indicated?

YES | - | Go to Step 6 .
NO | - | Perform the appropriate troubleshooting for the code indicated.■

1. Turn the ignition switch OFF, then disconnect the torque sensor 3P connector and EPS control unit connector D (3P).

1. Check for continuity between EPS control unit connector D (3P) terminals No. 1 and No. 2.

Is there continuity?

YES | - | Repair short in the wire between the EPS control unit terminals D1 and D2.■
NO | - | Go to Step 8 .

1. Check for continuity between EPS control unit connector D (3P) terminals No. 2 and No. 3.

Is there continuity?

YES | - | Repair short in the wire between the EPS control unit terminals D2 and D3.■
NO | - | Go to Step 9 .

1. Check for continuity between EPS control unit connector D (3P) terminals No. 1 and No. 3.

Is there continuity?

YES | - | Repair short in the wire between the EPS control unit terminals D1 and D3.■
NO | - | Go to Step 10 .

1. On the sensor side, measure resistance between torque sensor 3P connector terminals No. 1 and No. 2, and between terminals No. 2 and No. 3.

Is the resistance between 12−14 Ω (at 20 °C (68 °F))?

YES | - | The system is OK at this time. Check for loose terminals and poor connections at EPS control unit and torque sensor. If necessary, substitute a known-good EPS control unit and recheck.■
NO | - | Replace the torque sensor. ■