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Home › Toyota › 2007 › Land Cruiser › Repair and Diagnosis › Transmission › Automatic Trans › Automatic Transmission - A750F › Automatic Transmission System › Pattern Select Switch 2nd Start Mode Circuit › Inspection Procedure

Inspection Procedure

  1. INSPECT PATTERN SELECT SWITCH (2nd start switch) 
    1. Disconnect the E4 pattern select switch connector.
    2. Measure the resistance of the switch.

    Standard resistance 

    RESISTANCE SPECIFICATION

    Tester Connection Switch Condition Specified Condition
    2-3 Press continuously 2nd switch Below 1 Ω
    2-3 Release 2nd switch 10 kΩ or higher

    NG: REPLACE PATTERN SELECT SWITCH 

    Fig 1: Measuring Resistance Between Pattern Select Switch Terminals
    G05197070Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: GO TO Next Step 

  2. CHECK WIRE HARNESS (PATTERN SELECT SWITCH - BODY GROUND) 
    1. Disconnect the pattern select switch connector.
    2. Measure the resistance of the wire harness side connector.

    Standard resistance 

    RESISTANCE SPECIFICATION

    Tester Connection Specified Condition
    E8-27 (SNWI) - Body ground Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

    Fig 2: Disconnecting E8 ECM Connector
    G05197071Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOM TABLE 

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