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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 146 (On-Board Diagnostic - Steering) >> DTC C200B-02; C200B-16; C200B-62; C200B-64; C200B-85: Torque Sensor Signals >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE

Step Inspection Action
1 INSPECT TORQUE SENSOR USING M-MDS
  • Connect the M-MDS to the DLC-2.
  • Switch the ignition ON (engine off).
  • Access "STR_TRQ_S_M" and "STR_TRQ_S_S" PIDs. (See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS .)
  • Verify that the data monitor value changes when the steering wheel is turned.
    • Left: 0-positive
      • Right: 0- negative
  • Do the torque sensor signal values change in the same way?
Yes Go to the next step.
No Replace the steering column (torque sensor), then go to the next step.
(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
2 VERIFY THAT SAME DTC IS NOT PRESENT Yes Repeat the inspection from Step 1. If the malfunction recurs, replace the EPS CM, then go to the next step.
(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
No Go to the next step.
3 VERIFY THAT NO OTHER DTCs ARE PRESENT Yes Go to the applicable DTC inspection.
(See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS .)
No DTC troubleshooting completed.