Torque Sensor and Its Circuit Inspection

2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Torque Sensor and Its Circuit Inspection
WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check that torque sensor circuit is in good condition referring to Step 2 to 3 of DTC C1111/C1113/C1115: TORQUE SENSOR CIRCUIT FAILUREΒ  (Electric Type). If check result is not satisfactory, repair torque sensor circuit.
  2. Remove console box.
  3. With ignition switch turned OFF, connect scan tool to DLC or connect voltage tester between "E11-18" - "E11-9" (main sensor) or "E11-10" - "E11-9" (sub sensor) with connected connector to P/S control module.
    Fig 1: Checking Torque Sensor Voltage
    G06867602Courtesy of SUZUKI OF AMERICA CORP.
  4. Set torque wrench to steering wheel referring to STEERING FORCE CHECK: ELECTRIC TYPEΒ  for checking steering force.
    Fig 2: Checking Steering Force
    G06867603Courtesy of SUZUKI OF AMERICA CORP.
  5. Turn ON ignition switch without engine running and select scan tool "Data List" mode due to checking "Sensor (Main) Torque" and "Sensor (Sub) Torque" displayed on scan tool when steering wheel turned left and right (if used).
  6. Check that characteristic of torque sensor (main and sub) output voltage or scan tool data and steering force is as following graph when steering wheel is turned left and right. If sensor voltage or scan tool data is out of specified value or does not vary linearly as the following graph, check EPS control module and its circuit referring to INSPECTION OF P/S CONTROL MODULE AND ITS CIRCUITS: ELECTRIC TYPEΒ .

    If they are OK, replace steering gear case assembly.

    Fig 3: Scan Tool Data Graph
    G06867604Courtesy of SUZUKI OF AMERICA CORP.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.