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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System Diagnosis (PHEV) >> DTC P0706: Transmission Range Sensor Circuit Range/Performance >> Component Inspection >> Inhibitor Switch Inspection
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Inhibitor Switch Inspection

  1. Ignition "OFF".
  2. Refer to INHIBITOR SWITCH , disconnect inhibitor switch connector.
  3. Measure electric current between power line of inhibitor switch and signal line of each gear positions (P, R, N, D)

    Specification  :

    Current between power line and signal line at "P" position [Approx. 0.3~0.5Ω (Measured value)]

    Current between power line and signal line at "R" position [Approx. 0.3~0.5Ω (Measured value)]

    Current between power line and signal line at "N" position [Approx. 0.3~0.5Ω (Measured value)]

    Current between power line and signal line at "D" position [Approx. 0.3~0.5Ω (Measured value)]

  4. Is the measured value within specification?

    YES 

    • Carefully re-do this troubleshooting guide steps.
    • Check the alignment of shift cable. If problem occurs, align the cable and then go to "Verification Of Repair " procedure.
    • If problem still occurs, replace PCM/TCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Carefully re-do this troubleshooting guide steps.
    • If problem still occurs, replace Inhibitor Switch and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.