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Inspection [11/2021 - 03/2024]: Procedure

WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT VSC OFF SWITCH (ELECTRIC PARKING BRAKE SWITCH ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1059357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (VSC OFF Switch (Electric Parking Brake Switch Assembly))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D32-4 (+) - D32-7 (E) Switch pushed Below 1 Ω
      D32-4 (+) - D32-7 (E) Switch not pushed 10 kΩ or higher
  2. INSPECT BRAKE HOLD SWITCH (ELECTRIC PARKING BRAKE SWITCH ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1059360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Brake Hold Switch (Electric Parking Brake Switch Assembly))

      Standard Resistance

      Tester Connection Condition Specified Condition
      D32-3 (+B) - D32-7 (E) Switch pushed Below 1 Ω
      D32-3 (+B) - D32-7 (E) Switch not pushed 10 kΩ or higher
  3. INSPECT SECOND POWER SUPPLY REMOTE PARKING CIRCUIT 
    1. Measure the voltage according to the value(s) in the table below.
      GTY1067641Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Second Power Supply Remote Parking Circuit)      		 - -

      Standard Voltage

      Tester Connection Condition Specified Condition
      G132-3 (B1E2) - G132-10 (GND) Auxiliary battery voltage (12 V or more) applied between terminals G132-5 (B1A2) and G132-10 (GND) 11.0 V or more
    2. Measure the resistance according to the value(s) in the table below.
      GTY1064372Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Second Power Supply Remote Parking Circuit)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      G133-2 (B1A1) - G134-2 (BOA) Auxiliary battery voltage (12 V or more) applied between terminals G133-2 (B1A1) and G132-10 (GND) Below 1 Ω
      G132-1 (B1E1) - G132-10 (GND) Always 10 kΩ or higher
      G132-3 (B1E2) - G132-10 (GND) Always 10 kΩ or higher
      G132-8 (BOE) - G132-10 (GND) Always 10 kΩ or higher
      G133-2 (B1A1) - G132-10 (GND) Always 10 kΩ or higher
      G134-2 (BOA) - G132-10 (GND) Always 10 kΩ or higher
      G132-5 (B1A2) - G132-10 (GND) Always 2 kΩ or higher
    3. Set the Toyota Electrical Tester to diode check mode.
    4. Measure the voltage according to the value(s) in the table below.
      GTY1067527Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Second Power Supply Remote Parking Circuit)      		 - -

      Standard Voltage

      Tester Connection
      (Tester Probe Polarity)      		 Condition Specified Condition
      G132-1 (B1E1) (+) - G132-8 (BOE) (-) Always 0.1 to 1.1 V
      G132-5 (B1A2) (+) - G134-2 (BOA) (-) Always 0.1 to 1.15 V
      G132-3 (B1E2) (+) - G132-8 (BOE) (-) Always 0.1 to 1.1 V
      NOTE:

      Make sure to check the polarity of each terminal (positive (+) or negative (-)) before connecting a tester.

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