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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Smart Key System (For Start, Except HV) - Diagnostic Codes (2 Of 2) & Symptom Tests (1 Of 2) >> SMART KEY SYSTEM (for Start Function, Gasoline Model) >> Engine does not Start [11/2023 - ] >> Procedure

Engine does not Start [11/2023 - ]: Procedure

  1. CHECK WHETHER ENGINE STARTS 
    1. Using an electrical key transmitter sub-assembly which is registered to the vehicle, turn the ignition switch to ON.
    2. Check that the engine can be started 5 seconds after the ignition switch turned to ON.

      OK

      Engine starts normally.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    CHECK VEHICLE CONTROL HISTORY (ROB). Refer to  CHECK FOR INTERMITTENT PROBLEMS [11/2023 - ] 

    Result: 

    NG 

    See step  2

  2. CHECK SECURITY INDICATOR LIGHT (IMMOBILIZER FUNCTION UNSET) 
    1. Get into the vehicle while carrying an electrical key transmitter sub-assembly.
    2. Move the shift position to P.
    3. Press the engine switch with the brake pedal released and check that the security indicator light changes from blinking to off at the same time that the power source mode changes to ACC.

      OK

      The security indicator light changes from blinking to off at the same time that the power source mode changes to ACC.

      HINT: 

      The immobilizer function can be determined to be operating correctly if the security indicator light changes from blinking to off at the same time that the power source mode changes to ACC.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO OTHER PROBLEM (Immobilizer System does not Operate Properly). Refer to  Immobilizer System does not Operate Properly [11/2023 - ] 

    Result: 

    OK 

    See step  3

  3. CHECK FOR DTC 
    1. Using the GTS, check if LIN communication DTC B2785-88 and B2789-87 are output.

      Body Electrical > Smart Access > Trouble Codes 

      OK

      DTC B2785-88 and B2789-87 are not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO LIN COMMUNICATION SYSTEM (DTC B2785-88). Refer to  DTC B2785-88: Communication between ECUs connected by LIN Bus off [11/2023 - ] 

    Result: 

    OK 

    See step  4

  4. CHECK ENGINE CRANKING OPERATION 
    1. Get into the vehicle while carrying an electrical key transmitter sub-assembly.
    2. Move the shift position to P.
    3. Check that the key indicator display is displayed on the multi-information display in the combination meter assembly, and then press the engine switch and check that the engine cranks.

      Result

      Result Proceed to
      Engine cranks and initial combustion occurs A
      Engine cranks but initial combustion does not occur B
      Engine does not crank C

    Result: 

    A 

    GO TO OTHER PROBLEM (Immobilizer System does not Operate Properly). Refer to  Immobilizer System does not Operate Properly [11/2023 - ] 

    Result: 

    B 

    GO TO SFI SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ] 

    Result: 

    C 

    See step  5

  5. CHECK ENGINE SWITCH CONDITION 
    1. Get into the vehicle while carrying an electrical key transmitter sub-assembly.
    2. Move the shift position to P.
    3. With the brake pedal released, check that pressing the engine switch causes the power source mode to change.

      Result

      Result Proceed to
      Power source mode changes: Off → ACC → ON → off A
      Power source mode does not change to ACC or ON B
      Power source mode changes to ON but not to ACC C
      Power source mode changes to ACC but not to ON D

    Result: 

    B 

    GO TO OTHER PROBLEM (Power Source Mode does not Change to ON (IG and ACC)). Refer to  Power Source Mode does not Change to ON (IG and ACC) [11/2023 - ] 

    Result: 

    C 

    GO TO OTHER PROBLEM (Power Source Mode does not Change to ON (ACC)). Refer to  Power Source Mode does not Change to ON (ACC) [11/2023 - ] 

    Result: 

    D 

    GO TO OTHER PROBLEM (Power Source Mode does not Change to ON (IG)). Refer to  Power Source Mode does not Change to ON (IG) [11/2023 - ] 

    Result: 

    A 

    See step  6

  6. READ VALUE USING GTS (STOP LIGHT SWITCH1) 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Power Source Control > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Stop Light Switch State of brake pedal OFF or ON OFF: Brake pedal released
      ON: Brake pedal depressed
      • Use this item to determine if the stop light switch assembly is malfunctioning.
      • The engine cannot be started when this item is OFF.
      • If the stop light switch assembly is malfunctioning, the engine can be started by pressing and holding the engine switch for a certain period of time.

      Body Electrical > Power Source Control > Data List 

      Tester Display
      Stop Light Switch

      OK

      The GTS display changes correctly in response to the brake pedal operation.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  26

    Result: 

    OK 

    See step  7

  7. READ VALUE USING GTS (SHIFT P SIGNAL) 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Power Source Control > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Shift P Signal Shift position P OFF or ON OFF: Shift lever not in P
      ON: Shift lever in P
      • Use this item to determine if the shift position switch is malfunctioning.
      • The engine cannot be started when this item is OFF.

      Body Electrical > Power Source Control > Data List 

      Tester Display
      Shift P Signal

      OK

      The GTS display changes correctly in response to the shift lever operation.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  23

    Result: 

    OK 

    See step  8

  8. READ VALUE USING GTS (NEUTRAL SWITCH/ CLUTCH SWITCH, SHIFT POSITION P OR N) 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Power Source Control > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Neutral Switch / Clutch Switch Shift position (P and N) OFF or ON OFF: Shift lever in any position other than P or N
      ON: Shift lever in P or N
      • Use this item to determine if the park/neutral position switch assembly is malfunctioning.
      • When the engine cannot be started due to a park/neutral position switch assembly malfunction, OFF is displayed.

      Body Electrical > Power Source Control > Data List 

      Tester Display
      Neutral Switch / Clutch Switch

      OK

      The GTS display changes correctly in response to the shift lever operation.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  19

    Result: 

    OK 

    See step  9

  9. READ VALUE USING GTS (POWER SUPPLY CONDITION) 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Power Source Control > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Power Supply Condition Power supply state OFF, ACC ON, IGR ON, IGP ON or Starter ON OFF: Ignition switch off
      ACC ON: Ignition switch ACC
      IGR ON: Ignition switch ON
      IGP ON: Ignition switch ON
      Starter ON: Sending engine start request signal      		 -

      Body Electrical > Power Source Control > Data List 

      Tester Display
      Power Supply Condition
      NOTE:

      Check that the key indicator display is displayed on the multi-information display in the combination meter assembly, and then press the engine switch.

      OK

      The GTS display changes correctly in response to the engine switch operation.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  18

    Result: 

    OK 

    See step  10

  10. INSPECT ST RELAY 

    Refer to ON-VEHICLE INSPECTION [10/2022 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE ST RELAY 

    Result: 

    OK 

    See step  11

  11. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - ST RELAY) 
    1. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      ST relay terminal 2 - Body ground Engine switch pressed and held with brake pedal depressed (starter on) → Approximately 1 second after engine switch released (starter off) 6 V or higher* → 1.0 V or less
      GTY761650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block and No. 1 Junction Block Assembly
      (ST Relay Holder)

      HINT: 

      *: While the engine is cranking, the auxiliary battery voltage may drop to approximately 6 V.

      Result

      Result Proceed to
      OK A
      NG (w/ Engine Stop and Start Function) B
      NG (w/o Engine Stop and Start Function) C

    Result: 

    B 

    See step  15

    Result: 

    C 

    See step  16

    Result: 

    A 

    See step  12

  12. CHECK HARNESS AND CONNECTOR (ST RELAY - AUXILIARY BATTERY AND GROUND) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      ST relay terminal 1 - Body ground Always Below 1 Ω
      GTY761650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block and No. 1 Junction Block Assembly
      (ST Relay Holder)
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      ST relay terminal 5 - Body ground Ignition switch off 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  13

  13. CHECK HARNESS AND CONNECTOR (STARTER ASSEMBLY - ST RELAY) 
    1. Disconnect the C90*1 or C56*2 starter assembly connector.
      1. *1: w/ Engine Stop and Start Function
      2. *2: w/o Engine Stop and Start Function
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      W/ ENGINE STOP AND START FUNCTION:

      Tester Connection Condition Specified Condition
      ST relay terminal 3 - C90-2 (SL1) Always Below 1 Ω
      ST relay terminal 3 or C90-2 (SL1) - Other terminals and body ground Always 10 kΩ or higher
      W/O ENGINE STOP AND START FUNCTION:

      Tester Connection Condition Specified Condition
      ST relay terminal 3 - C56-1 (ST) Always Below 1 Ω
      ST relay terminal 3 or C56-1 (ST) - 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  14

  14. CHECK HARNESS AND CONNECTOR (STARTER ASSEMBLY - AUXILIARY BATTERY) 
    1. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      L1-1 (B) - Body ground Ignition switch off 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE STARTER ASSEMBLY. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  15. CHECK ENGINE STOP AND START ECU 
    1. Disconnect the A34 engine stop and start ECU connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      ST relay terminal 2 - Body ground Engine switch pressed and held with brake pedal depressed (starter on) → Approximately 1 second after engine switch released (starter off) 6 V or higher* → 1.0 V or less
      GTY761650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block and No. 1 Junction Block Assembly
      (ST Relay Holder)

      HINT: 

      *: While the engine is cranking, the auxiliary battery voltage may drop to approximately 6 V.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ENGINE STOP AND START ECU. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    See step  16

  16. INSPECT CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 
    1. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      A88-10 (STAR) - Body ground Engine switch pressed and held with brake pedal depressed (starter on) → Approximately 1 second after engine switch released (starter off) 6 V or higher* → 1.0 V or less

      HINT: 

      *: While the engine is cranking, the auxiliary battery voltage may drop to approximately 6 V.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

    Result: 

    OK 

    See step  17

  17. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - ST RELAY) 
    1. Disconnect the A88 certification ECU (smart key ECU assembly) connector.
    2. Disconnect the A83 ECM connector.
    3. Disconnect the C52 park/neutral position switch assembly connector.
    4. Disconnect the A34 engine stop and start ECU assembly connector.*
      1. *: w/ Engine Stop and Start Function
    5. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A88-3 (STA) - ST relay terminal 2 Always Below 1 Ω
      A88-3 (STA) or ST relay terminal 2 - Other terminals and body ground Always 10 kΩ or higher
      A83-16 (STA) - ST relay terminal 2 Always Below 1 Ω
      A83-16 (STA) or ST relay terminal 2 - Other terminals and body ground Always 10 kΩ or higher
      C52-9 (L) - ST relay terminal 2 Always Below 1 Ω
      C52-9 (L) or ST relay terminal 2 - Other terminals and body ground Always 10 kΩ or higher
      A34-21 (STA) - ST relay terminal 2* Always Below 1 Ω
      A34-21 (STA) or ST relay terminal 2 - Other terminals and body ground* Always 10 kΩ or higher
      1. *: w/ Engine Stop and Start Function

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  18. CHECK SECURITY INDICATOR LIGHT (IMMOBILIZER FUNCTION UNSET) 
    1. Get into the vehicle while carrying an electrical key transmitter sub-assembly.
    2. Move the shift position to P.
    3. Press the engine switch with the brake pedal released and check that the security indicator light changes from blinking to off at the same time that the power source mode changes to ACC.

      OK

      The security indicator light changes from blinking to off at the same time that the power source mode changes to ACC.

      HINT: 

      The immobilizer function can be determined to be operating correctly if the security indicator light changes from blinking to off at the same time that the power source mode changes to ACC.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    GO TO OTHER PROBLEM (Immobilizer System does not Operate Properly). Refer to  Immobilizer System does not Operate Properly [11/2023 - ] 

  19. READ VALUE USING GTS (NEUTRAL SWITCH/ CLUTCH SWITCH) 
    1. Disconnect the A83 ECM connector.
    2. Read the Data List according to the display on the GTS.

      Body Electrical > Power Source Control > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Neutral Switch / Clutch Switch Shift position (P and N) OFF or ON OFF: Shift lever in any position other than P or N
      ON: Shift lever in P or N
      • Use this item to determine if the park/neutral position switch assembly is malfunctioning.
      • When the engine cannot be started due to a park/neutral position switch assembly malfunction, OFF is displayed.

      Body Electrical > Power Source Control > Data List 

      Tester Display
      Neutral Switch / Clutch Switch

      OK

      The GTS display changes correctly in response to the shift lever operation.

      Result

      Result Proceed to
      OK A
      NG (w/ Engine Stop and Start Function) B
      NG (w/o Engine Stop and Start Function) C

    Result: 

    A 

    REPLACE ECM. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    C 

    See step  21

    Result: 

    B 

    See step  20

  20. READ VALUE USING GTS (NEUTRAL SWITCH/ CLUTCH SWITCH) 
    1. Disconnect the A34 engine stop and start ECU connector.
    2. Read the Data List according to the display on the GTS.

      Body Electrical > Power Source Control > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Neutral Switch / Clutch Switch Shift position (P and N) OFF or ON OFF: Shift lever in any position other than P or N
      ON: Shift lever in P or N
      • Use this item to determine if the park/neutral position switch assembly is malfunctioning.
      • When the engine cannot be started due to a park/neutral position switch assembly malfunction, OFF is displayed.

      Body Electrical > Power Source Control > Data List 

      Tester Display
      Neutral Switch / Clutch Switch

      OK

      The GTS display changes correctly in response to the shift lever operation.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ENGINE STOP AND START ECU. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    See step  21

  21. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY 

    Refer to INSPECTION [10/2022 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    OK 

    See step  22

  22. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - PARK/NEUTRAL POSITION SWITCH ASSEMBLY) 
    1. Disconnect the A88 certification ECU (smart key ECU assembly) connector.
    2. Disconnect the A83 ECM connector.
    3. Disconnect the C52 park/neutral position switch assembly connector.
    4. Disconnect the A34 engine stop and start ECU assembly connector.*
      1. *: w/ Engine Stop and Start Function
    5. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A88-10 (STAR) - C52-4 (B) Always Below 1 Ω
      A88-10 (STAR) or C52-4 (B) - Other terminals and body ground Always 10 kΩ or higher
      A83-15 (NSW) - C52-4 (B) Always Below 1 Ω
      A83-15 (NSW) or C52-4 (B) - Other terminals and body ground Always 10 kΩ or higher
      A34-17 (CLL) - C52-4 (B)* Always Below 1 Ω
      A34-17 (CLL) or C52-4 (B) - Other terminals and body ground* Always 10 kΩ or higher
      A88-3 (STA) - C52-9 (L) Always Below 1 Ω
      A88-3 (STA) or C52-9 (L) - Other terminals and body ground Always 10 kΩ or higher
      A83-16 (STA) - C52-9 (L) Always Below 1 Ω
      A83-16 (STA) or C52-9 (L) - Other terminals and body ground Always 10 kΩ or higher
      ST relay terminal 2 - C52-9 (L) Always Below 1 Ω
      ST relay terminal 2 or C52-9 (L) - Other terminals and body ground Always 10 kΩ or higher
      A34-21 (STA) - C52-9 (L)* Always Below 1 Ω
      A34-21 (STA) or C52-9 (L) - Other terminals and body ground* Always 10 kΩ or higher
      1. *: w/ Engine Stop and Start Function

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  23. CHECK SHIFT LOCK CONTROL UNIT ASSEMBLY 
    1. Disconnect the H138 certification ECU (smart key ECU assembly) connector.
    2. Measure the registance according to the value(s) in the table below.

      Standard Registance

      Tester Connection Condition Specified Condition
      H138-14 (P) - Body ground Shift lever in P → Shift lever not in P 30 kΩ or higher → Below 200 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    See step  24

  24. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - SHIFT LOCK CONTROL UNIT ASSEMBLY) 
    1. Disconnect the H28 shift lock control unit assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H138-14 (P) - H28-3 (P2) Always Below 1 Ω
      H138-14 (P) or H28-3 (P2) - 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  25

  25. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 
    1. Connect the H138 certification ECU (smart key ECU assembly) connector.
    2. Connect the H28 shift lock control unit assembly connector.
    3. Measure the voltage according to the value(s) in the table below.
      GTY1178577Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Certification ECU (Smart Key ECU Assembly))

      Standard Voltage

      Tester Connection Condition Specified Condition
      H138-14 (P) - Body ground Shift lever in P 9 V or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SHIFT LOCK CONTROL UNIT ASSEMBLY. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    NG 

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [11/2023 - ] 

  26. CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - POWER SOURCE AND BODY GROUND) 
    1. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      A42-7 (B) - Body ground Ignition switch off 11 to 14 V
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A42-2 (GND) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  27

  27. INSPECT STOP LIGHT SWITCH ASSEMBLY 

    Refer to ON-VEHICLE INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE STOP LIGHT SWITCH ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    OK 

    See step  28

  28. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - STOP LIGHT SWITCH ASSEMBLY) 
    1. Disconnect the A88 certification ECU (smart key ECU assembly) connector.
    2. Disconnect the A42 stop light switch assembly connector.
    3. Disconnect the A83 ECM connector.
    4. Disconnect the A39 skid control ECU (brake actuator assembly) connector.
    5. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A88-21 (STP1) - A42-3 (L) Always Below 1 Ω
      A88-21 (STP1) or A42-3 (L) - Other terminals and body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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