LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2005 >> LS 430 >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System - Diagnostics >> Diagnosis Circuit >> Inspection Procedure

Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM) 
    1. Disconnect the E2 connector from the ECM.
    2. Measure the resistance according to the value(s) in the table below.
    DLC3 CONNECTOR TERMINALS RESISTANCE SPECIFICATION

    Tester connection Condition Specified condition
    TC (E2-3) - TC (D1 - 13) Always Below 1 Ω
    Fig 1: Identifying DLC3 Connector Terminals
    G03004529Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 2: Disconnecting E2 Connector From ECM
    G03004530Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - ECM) 

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND) 
    1. Measure the resistance according to the value(s) in the table below.
    DLC3 CONNECTOR TERMINALS RESISTANCE SPECIFICATION

    Tester connection Condition Specified condition
    CG (D1-4) - Body ground Always Below 1 Ω
    Fig 3: Identifying DLC3 Connector (CG) Terminals
    G03004531Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - BODY GROUND) 

    OK: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (TC of DLC3 - BODY GROUND) 
    1. Measure the resistance according to the value(s) in the table below.
    DLC3 CONNECTOR TERMINALS RESISTANCE SPECIFICATION

    Tester connection Condition Specified condition
    TC (D1-13) - Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE WIRE HARNESS AND EACH ECU 

    Fig 4: Identifying DLC3 Connector (TC) Terminals
    G03004532Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE ECM (SEE  REPLACEMENT  ) 

scientia non olet · About LEMON Manuals