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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 161 (Immobiliser System (HV, W/O Smart Key) - Diagnostic Codes & Symptom Tests) >> IMMOBILISER SYSTEM (for HV Model without Smart Key System) >> Security Indicator Light Does not Blink [10/2023 - 11/2024] >> Procedure

Security Indicator Light Does not Blink [10/2023 - 11/2024]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CONFIRM MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      Type A A
      Type B B

    Result: 

    B 

    See step  3

    Result: 

    A 

    See step  2

  2. PERFORM ACTIVE TEST USING TECHSTREAM (SECURITY INDICATOR) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Immobiliser or Main Body* / Active Test.
      1. *: w/ Theft Deterrent System
    5. Perform the Active Test according to the display on the Techstream.

      Body Electrical > Immobiliser > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Security Indicator Telltale light assembly (security indicator light) ON/OFF -

      Body Electrical > Immobiliser > Active Test 

      Tester Display
      Security Indicator

      Body Electrical > Main Body > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Security Indicator Telltale light assembly (security indicator light) ON/OFF w/ Theft Deterrent System

      Body Electrical > Main Body > Active Test 

      Tester Display
      Security Indicator

      Result

      Result Proceed to
      Telltale light assembly (security indicator light) operation is normal when performing the "Main Body" and "Immobiliser"* Active Test A
      w/ Theft Deterrent System: 
      • Telltale light assembly (security indicator light) operation is not normal when performing the "Immobiliser" Active Test
      • Telltale light assembly (security indicator light) operation is normal when performing the "Main Body" Active Test
      		 B
      w/ Theft Deterrent System: 
      • Telltale light assembly (security indicator light) operation is normal when performing the "Immobiliser" Active Test
      • Telltale light assembly (security indicator light) operation is not normal when performing the "Main Body" Active Test
      		 C
      Telltale light assembly (security indicator light) operation is not normal when performing the "Main Body" and "Immobiliser"* Active Test D
      1. *: w/ Theft Deterrent System

    Result: 

    A 

    See step  4

    Result: 

    B 

    See step  5

    Result: 

    C 

    See step  6

    Result: 

    D 

    See step  7

  3. PERFORM ACTIVE TEST USING TECHSTREAM (SECURITY INDICATOR) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Immobiliser or Main Body* / Active Test.
      1. *: w/ Theft Deterrent System
    5. Perform the Active Test according to the display on the Techstream.

      Body Electrical > Immobiliser > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Security Indicator Telltale light assembly (security indicator light) ON/OFF -

      Body Electrical > Immobiliser > Active Test 

      Tester Display
      Security Indicator

      Body Electrical > Main Body > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Security Indicator Telltale light assembly (security indicator light) ON/OFF w/ Theft Deterrent System

      Body Electrical > Main Body > Active Test 

      Tester Display
      Security Indicator

      Result

      Result Proceed to
      Telltale light assembly (security indicator light) operation is normal when performing the "Main Body" and "Immobiliser"* Active Test A
      w/ Theft Deterrent System: 
      • Telltale light assembly (security indicator light) operation is not normal when performing the "Immobiliser" Active Test
      • Telltale light assembly (security indicator light) operation is normal when performing the "Main Body" Active Test
      		 B
      w/ Theft Deterrent System: 
      • Telltale light assembly (security indicator light) operation is normal when performing the "Immobiliser" Active Test
      • Telltale light assembly (security indicator light) operation is not normal when performing the "Main Body" Active Test
      		 C
      Telltale light assembly (security indicator light) operation is not normal when performing the "Main Body" and "Immobiliser"* Active Test D
      1. *: w/ Theft Deterrent System

    Result: 

    B 

    See step  5

    Result: 

    C 

    See step  6

    Result: 

    D 

    See step  7

    Result: 

    A 

    See step  4

  4. CHECK TELLTALE LIGHT ASSEMBLY (SECURITY INDICATOR LIGHT) OPERATION 
    1. When the immobiliser is set, check that the telltale light assembly (security indicator light) blinks.*1

      OK

      The telltale light assembly (security indicator light) blinks normally.

    2. When the theft deterrent system is in the arming preparation state, check that the telltale light assembly (security indicator light) is on.*2

      Refer to SYSTEM DESCRIPTION [08/2020 - ]

      OK

      The telltale light assembly (security indicator light) is on.

      Result

      Result Proceed to
      Both *1 and *2 are OK A
      *1 is NG (*2 is OK) B
      *2 is NG (*1 is OK) C
      Both *1 and *2 are NG D

    Result: 

    A 

    USE SIMULATION METHOD TO CHECK 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ]

    Result: 

    B 

    REPLACE TRANSPONDER KEY ECU ASSEMBLY 

    Result: 

    C 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

    Refer to REMOVAL [10/2023 - ]

    Result: 

    D 

    REPLACE TELLTALE LIGHT ASSEMBLY (SECURITY INDICATOR LIGHT) 

    Refer to REMOVAL [10/2023 - ]

  5. CHECK HARNESS AND CONNECTOR (TELLTALE LIGHT ASSEMBLY (SECURITY INDICATOR LIGHT) - TRANSPONDER KEY ECU ASSEMBLY) 
    1. Disconnect the G31 telltale light assembly (security indicator light) connector.
    2. Disconnect the G44 main body ECU (multiplex network body ECU) connector.*
      1. *: w/ Theft Deterrent System
    3. Disconnect the G52 transponder key ECU assembly connector.
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G52-8 (IND) - G31-3 (LP) Always Below 1 Ω
      G52-8 (IND) or G31-3 (LP) - Other terminals and body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE TRANSPONDER KEY ECU ASSEMBLY 

    Refer to REMOVAL [10/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  6. CHECK HARNESS AND CONNECTOR (TELLTALE LIGHT ASSEMBLY (SECURITY INDICATOR LIGHT) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) 
    1. Disconnect the G31 telltale light assembly (security indicator light) connector.
    2. Disconnect the G44 main body ECU (multiplex network body ECU) connector.*
      1. *: w/ Theft Deterrent System
    3. Disconnect the G52 transponder key ECU assembly connector.
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G44-7 (IND) - G31-3 (LP) Always Below 1 Ω
      G44-7 (IND) or G31-3 (LP) - Other terminals and body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

    Refer to REMOVAL [10/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  7. CHECK HARNESS AND CONNECTOR (TELLTALE LIGHT ASSEMBLY (SECURITY INDICATOR LIGHT) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) 
    1. Disconnect the G31 telltale light assembly (security indicator light) connector.
    2. Disconnect the G44 main body ECU (multiplex network body ECU) connector.*
      1. *: w/ Theft Deterrent System
    3. Disconnect the G52 transponder key ECU assembly connector.
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G44-7 (IND) - G31-3 (LP) Always Below 1 Ω
      G44-7 (IND) or G31-3 (LP) - Other terminals and body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  8

  8. CHECK HARNESS AND CONNECTOR (TELLTALE LIGHT ASSEMBLY (SECURITY INDICATOR LIGHT) - BODY GROUND) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1119748Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector (to Telltale Light Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      G31-7 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE TELLTALE LIGHT ASSEMBLY (SECURITY INDICATOR LIGHT) 

    Refer to REMOVAL [10/2023 - ]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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