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Turn Signal Flasher Assembly: Inspection

  1. INSPECT TURN SIGNAL FLASHER ASSEMBLY 
    1. Remove the turn signal flasher assembly from the instrument panel junction block.
    2. Measure the voltage according to the value (s) in the table below.

      Standard Voltage 

      STANDARD VOLTAGE REFERENCE

      Tester Connection Condition Specified Condition
      4 (+B) - Body ground Always 11 to 14 V
      1 (IG) - Body ground Ignition switch off Below 1 V
      Ignition switch ON 11 to 14 V
      Fig 1: Identifying Turn Signal Flasher Assembly Connector Terminals
      G06038801Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the result is not as specified, there is a malfunction on the wire harness side.

    3. Measure the resistance according to the value (s) in the table below.

      Standard Resistance 

      STANDARD RESISTANCE REFERENCE

      Tester Connection Condition Specified Condition
      5 (EL) - Body ground Turn signal switch OFF 10 kΩ or higher
      Turn signal switch in LH Below 1 Ω
      6 (ER) - Body ground Turn signal switch OFF 10 kΩ or higher
      Turn signal switch in RH Below 1 Ω
      7 (GND) - Body ground Always Below 1 Ω
      8 (EHW) - Body ground Hazard warning switch OFF 10 kΩ or higher
      Hazard warning switch ON Below 1 Ω
      Fig 2: Identifying Turn Signal Flasher Assembly Connector Terminals
      G06016818Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the result is not as specified, there is a malfunction on the wire harness side.

    4. Install the turn signal flasher assembly to the instrument panel junction block.
    5. Measure the voltage according to the value (s) in the table below.

      Standard Voltage 

      STANDARD VOLTAGE REFERENCE

      Tester Connection Switch Condition Specified Condition
      2A-27 (LL) - Body ground Turn signal switch OFF Below 1 V
      Turn signal switch in LH 11 to 14 V (60 to 120 times per minute)
      Hazard warning switch OFF Below 1 V
      Hazard warning switch ON 11 to 14 V (60 to 120 times per minute)
      2A-28 (LR) - Body ground Turn signal switch OFF Below 1 V
      Turn signal switch in RH 11 to 14 V (60 to 120 times per minute)
      Hazard warning switch OFF Below 1 V
      Hazard warning switch ON 11 to 14 V (60 to 120 times per minute)
      2B-14 (LL) - Body ground Turn signal switch OFF Below 1 V
      Turn signal switch in LH 11 to 14 V (60 to 120 times per minute)
      Hazard warning switch OFF Below 1 V
      Hazard warning switch ON 11 to 14 V (60 to 120 times per minute)
      2B-31 (LR) - Body ground Turn signal switch OFF Below 1 V
      Turn signal switch in RH 11 to 14 V (60 to 120 times per minute)
      Hazard warning switch OFF Below 1 V
      Hazard warning switch ON 11 to 14 V (60 to 120 times per minute)
      2S-13 (LL) - Body ground Turn signal switch OFF Below 1 V
      Turn signal switch in LH 11 to 14 V (60 to 120 times per minute)
      Hazard warning switch OFF Below 1 V
      Hazard warning switch ON 11 to 14 V (60 to 120 times per minute)
      2S-16 (LR) - Body ground Turn signal switch OFF Below 1 V
      Turn signal switch in RH 11 to 14 V (60 to 120 times per minute)
      Hazard warning switch OFF Below 1 V
      Hazard warning switch ON 11 to 14 V (60 to 120 times per minute)

      If the result is not as specified, replace the turn signal flasher assembly.

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