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Home >> Toyota >> 2017 >> Prius Prime Advanced >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge / Display - Diagnostic Codes & Symptom Tests >> Meter / Gauge System >> Circuit Tests >> Steering Pad Switch Circuit [09/2016 - ] >> Procedure

Steering Pad Switch Circuit [09/2016 - ]: Procedure

  1. INSPECT STEERING PAD SWITCH ASSEMBLY 
    1. Remove the steering pad switch assembly.

      Refer to REMOVAL [09/2016 - 07/2020] , or refer to REMOVAL [07/2020 - ]

    2. Inspect the steering pad switch assembly.

      Refer to INSPECTION [09/2016 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  REMOVAL [09/2016 - 07/2020]  , or refer to  REMOVAL [07/2020 - ] 

    Result: 

    OK 

    See step  2

  2. INSPECT SPIRAL CABLE SUB-ASSEMBLY 
    1. Remove the spiral cable sub-assembly.

      Refer to REMOVAL [09/2016 - 07/2020] , or refer to REMOVAL [07/2020 - ]

    2. Inspect the spiral cable sub-assembly.

      Refer to INSPECTION [09/2016 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SPIRAL CABLE SUB-ASSEMBLY. Refer to  REMOVAL [09/2016 - 07/2020]  , or refer to  REMOVAL [07/2020 - ] 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE)) 
    1. Disconnect the I6 combination meter assembly (meter circuit plate) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I23-10 (+DP) - I6-1 (MSM+) Always Below 1 Ω
      I23-11 (+DP2) - I6-2 (MSTI) Always Below 1 Ω
      I23-10 (+DP) or I6-1 (MSM+) - Body ground Always 10 kΩ or higher
      I23-11 (+DP2) or I6-2 (MSTI) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY (METER CIRCUIT PLATE). Refer to  DISASSEMBLY [09/2016 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR