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Inspection Procedure

  1. INSPECT PATTERN SELECT SWITCH (PWR mode switch) 
    1. Disconnect the E5 pattern select switch connector.
    2. Measure the resistance of the switch.

      Standard resistance 

      RESISTANCE REFERENCE CHART

      Tester Connection Switch Condition Specified Condition
      5-3 Pattern select switch (PWR) Below 1 Ω
      5-3 Pattern select switch (NORM) 10 kΩ or higher

    NG: REPLACE PATTERN SELECT SWITCH 

    Fig 1: Measuring Resistance Between Pattern Select Switch Terminals
    G05282720Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to Next Step 

  2. CHECK WIRE HARNESS (PATTERN SELECT SWITCH - BODY GROUND) 
    1. Disconnect the E5 pattern select switch connector.
    2. Measure the resistance of the wire harness side connector.

      Standard resistance 

      RESISTANCE REFERENCE CHART

      Tester Connection Specified Condition
      E9-31 (PWR) - Body ground Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    Fig 2: Identifying E5 Pattern Select Switch Connector Terminals
    G05282721Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

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