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Home >> Toyota >> 2005 >> Matrix Base, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System (W/ETCS-I) - Diagnostics >> Cruise Control Switch Circuit >> Inspection Procedure
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Inspection Procedure

  1. READ VALUE ON HAND-HELD TESTER 
    1. Connect the hand-held tester to the DLC3.
    2. Turn the ignition switch to the ON position.
    3. According to the display on the tester, read the "DATA LIST".
    Fig 1: Inspecting Cruise Control Switch
    G02679645Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    CCS (ECM): 

    Fig 2: Data List Item Reference Table
    G02679646Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: 

    When the cruise control main switch is operated, the normal conditions listed above are shown on the display. 

    Result: 

    DISPLAY RESULT

    OK A
    NG (All items are defective.) B
    NG (One to four items are defective.) C
    1. B: Go to step 2 
    2. C: REPLACE SPIRAL CABLE SUB-ASSY (SEE  REPLACEMENT  ) 

    A: Go To Next Step 

    PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE  ) 

  2. INSPECT CRUISE CONTROL MAIN SWITCH ASSY 
    1. Disconnect the cruise control main switch connector.
    2. Measure the resistance according to the value (s) in the table below.

    OK: 

    CRUISE CONTROL MAIN SWITCH CONNECTOR RESISTANCE SPECIFICATIONS

    Tester connection Switch position Specified condition
    A-2 -A-3 Neutral Infiniti (No continuity)
    A-2 -A-3 CRUISE ON-OFF 0 Ω (Continuity)
    A-2 -A-3 RES/ACC 210 to 270 Ω
    A-2 -A-3 SET/COAST 560 to 700 a
    A-2 -A-3 CANCEL 1,380 to 1, 700 Ω.
    Fig 3: Inspecting Cruise Control Main Switch Assy
    G02679647Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE  CRUISE CONTROL MAIN SWITCH ASSY  ) 

    OK: Go To Next Step 

  3. INSPECT SPIRAL CABLE SUB-ASSY 
    1. Disconnect the spiral cable vehicle side connector.
    2. Measure the resistance according to the value (s) in the table below.

    Standard: 

    SPIRAL CABLE VEHICLE SIDE CONNECTOR RESISTANCE SPECIFICATIONS

    Tester connection Condition Specified condition
    A-2-C13-2 Always Below 1 Ω
    A-3-C13-3 Always Below 1 Ω
    Fig 4: Identifying Spiral Cable Vehicle Side Connector Terminals
    G02679648Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE SPIRAL CABLE SUB-ASSY (SEE  REPLACEMENT  ) 

    OK Go To Next Step 

  4. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSY - ECM) (SEE  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 
    1. Disconnect the ECM connector.
    2. Measure the resistance according to the value (s) in the table below.

    Standard: 

    SPIRAL CABLE SUB-ASSY AND ECM CONNECTOR RESISTANCE SPECIFICATIONS

    Tester connection Condition Specified condition
    Spiral cable (C13-2)-CCS (E5-24) Always Below 1 Ω
    CCS (E5-24)-Body ground Always 10 kΩ or higher
    Spiral cable (C13-2)-Body ground Always Below 1 Ω
    Fig 5: Identifying Spiral Cable Sub-Assy Connector Terminals
    G02679649Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 6: Identifying ECM Connector Terminals
    G02679650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go To Next Step 

    REPLACE  ECM (1ZZ-FE/2ZZ-GE)  ) 

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