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DTC P1360-01: "A" Camshaft Position Actuator Bank 1 General Electrical Failure [08/2023 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK TERMINAL VOLTAGE (POWER SOURCE OF CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY) 

    Pre-procedure1

    • Disconnect the cam timing control motor with EDU assembly connector.
    • Turn the ignition switch to ON.
    • Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition Result
      B73-2 (VB1) - Body ground Ignition switch ON 11 to 14 V V

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • None.

    Result: 

    NG 

    See step  8

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY - BODY GROUND) 

    Pre-procedure1

    • Disconnect the cam timing control motor with EDU assembly connector.
    • Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      B73-3 (GND) - Body ground Always Below 1 Ω Ω

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • None.

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  3

  3. INSPECT CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY (BODY GROUND) 
    GTY1130468Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check installation condition.
      1. Check that the 3 installation bolts of the cam timing control motor with EDU assembly are tightened to the specified torque.

      Standard

      Specified Condition Result
      21 N*m
      214 kgf*cm
      15 ft.*lbf      		 N*m
      kgf*cm
      ft.*lbf

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    TIGHTEN TO SPECIFIED TORQUE 

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY - ECM) 

    Pre-procedure1

    • Disconnect the cam timing control motor with EDU assembly connector.
    • Disconnect the ECM connector.
    • Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      B73-6 (VTS) - B28-70 (EMR1) Always Below 1 Ω Ω
      B73-6 (VTS) or B28-70 (EMR1) - Body ground and other terminals Always 10 kΩ or higher kΩ

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • None.

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. REPLACE CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY 

    HINT: 

    Refer to REMOVAL [08/2023 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  6

  6. CLEAR DTC 

    Pre-procedure1

    • None.
    • Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

      Result

      Proceed to
      NEXT

    Post-procedure1

    • Turn the ignition switch off and wait for at least 30 seconds.

    Result: 

    NEXT 

    See step  7

  7. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED 

    Pre-procedure1

    • Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
    • Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      P1360-01 is output B

    Post-procedure1

    • None.

    Result: 

    A 

    END 

    Result: 

    B 

    REPLACE ECM. Refer to  REMOVAL [08/2023 - ] 

  8. INSPECT VVT RELAY 

    Refer to PROCEDURE - Step 1

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE VVT RELAY 

    Result: 

    OK 

    See step  9

  9. CHECK HARNESS AND CONNECTOR (VVT RELAY - CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY) 

    Pre-procedure1

    • Remove the VVT relay from No. 1 engine room relay block and No. 1 junction block assembly.
    • Disconnect the cam timing control motor with EDU assembly connector.
    • Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      5 (VVT relay) - B73-2 (VB1) Always Below 1 Ω Ω
      5 (VVT relay) or B73-2 (VB1) - Body ground and other terminals Always 10 kΩ or higher kΩ

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • None.

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  10

  10. CHECK HARNESS AND CONNECTOR (POWER SOURCE OF VVT RELAY) 

    Pre-procedure1

    • Remove the VVT relay from No. 1 engine room relay block and No. 1 junction block assembly.
      GTY1254707Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block and No. 1 Junction Block Assembly
      *2 VVT Relay
    • Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition Result
      3 (VVT relay) - Body ground Always 11 to 14 V V

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • None.

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (AUXILIARY BATTERY - VVT RELAY) 

    Result: 

    OK 

    See step  11

  11. CHECK HARNESS AND CONNECTOR (POWER SOURCE OF VVT RELAY) 

    Pre-procedure1

    • Remove the VVT relay from No. 1 engine room relay block and No. 1 junction block assembly.
      GTY1254707Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Engine Room Relay Block and No. 1 Junction Block Assembly
      *2 VVT Relay
    • Turn the ignition switch to ON.
    • Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition Result
      1 (VVT relay) - Body ground Ignition switch ON 11 to 14 V V

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • None.

    Result: 

    OK 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (VVT RELAY - BODY GROUND) 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (EFI-MAIN NO. 1 RELAY - VVT RELAY) 

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