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Entry Lock Switch Circuit: Description: Wiring Diagram

Fig 1: Wiring Diagram - Entry Lock Switch
G04049902Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. INSPECT ENTRY LOCK SWITCH 
    1. Remove the outside handle.
    2. Disconnect the connectors.
    3. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    STANDARD RESISTANCE SPECIFICATION

    Tester Connection (Symbols) Condition Specified Condition
    e1-1 (TRG-) - e1-3 (TRG+) Lock switch not pushed 10 kΩor higher
    Lock switch pushed Below 1 Ω
    n1-1 (TRG-) - n1-3 (TRG+) Lock switch not pushed 10 kΩor higher
    Lock switch pushed Below 1 Ω
    Fig 2: Identifying Lock Switch E1 And N1 Connector Terminal
    G04049903Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG : REPLACE OUTSIDE HANDLE ASSEMBLY 

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - ENTRY LOCK SWITCH) 
    1. Disconnect the P33 ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    STANDARD RESISTANCE SPECIFICATION

    Tester Connection (Symbols) Condition Specified Condition
    P33-3 (TSW1) - e1-3 (TRG+) Always Below 1 Ω
    P33-4 (TSW2) - n1-3 (TRG+) Always Below 1 Ω
    P33-3 (TSW1) - Body ground Always 10 kΩor higher
    P33-4 (TSW2) - Body ground Always 10 kΩor higher
    Fig 3: Identifying P33 Connector Terminal Lock Switch E1 And N1 Connector
    G04049904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (ELECTRICAL KEY OSCILLATOR - ENTRY LOCK SWITCH) 
    1. Disconnect the door oscillator connector.
    2. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    STANDARD RESISTANCE SPECIFICATION

    Tester connection Condition Specified condition
    e2-9 (TRG-) - e1-1 (TRG-) Always Below 1 Ω
    n2-9 (TRG-) - n1-1 (TRG-) Always Below 1 Ω
    e2-9 (TRG-) - Body ground Always 10 kΩor higher
    n2-9 (TRG-) - Body ground Always 10 kΩor higher
    Fig 4: Identifying Harness And Connector (Electrical Key Oscillator - Entry Lock Switch)
    G04049905Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  4. CHECK AND REPLACE ELECTRICAL KEY OSCILLATOR 
    1. Replace the electrical key oscillator.
    2. Check that the entry LOCK/UNLOCK function operates normally.

    OK: 

    Entry LOCK/UNLOCK function operates normally. 

    NG : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

    OK : END (ELECTRICAL KEY OSCILLATOR IS DEFECTIVE)