DTC Troubleshooting: 51-02, 51-03, 51-06, 51-07
DTC 51-02:
 Torque Sensor (VT3 Differential-amplification Function) (Regular Diagnosis)
DTC 51-03:
 Torque Sensor (VT1, VT2 Rapid-change) (Regular Diagnosis)
DTC 51-06:
 Torque Sensor (VT1, VT2 Average) (Regular Diagnosis)
DTC 51-07:
 Torque Sensor (VT1, VT2 Initial Check) (Initial Diagnosis)
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Turn the ignition switch to LOCK (0).
  1. Start the engine.
  1. Check for DTCs with the HDS.
Is DTC 51-02, 51-03, 51-06 or 51-07 indicated?
YES -
Go to Step 6 .
NO -
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the torque sensor and the EPS control unit.■
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the EPS control unit connector D (28P).
  1. Measure the resistance between EPS control unit connector D (28P) terminals No. 9 and No. 10.
Is the resistance between 12−15 Ω?
YES -
Go to Step 9 .
NO -
Go to Step 13 .