CRUISE CONTROL SYSTEM(for 8AR-FTS) Cruise Control Switch Circuit

DESCRIPTION


WIRING DIAGRAM

B008JH8E06

CAUTION / NOTICE / HINT

Note

The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.

Click here

PROCEDURE


  1. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Powertrain / Cruise Control / Data List.

    5. Read the Data List according to the display on the GTS.


      Powertrain > Cruise Control > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Cancel Switch CANCEL switch signal ON or OFF

      ON: CANCEL switch on

      OFF: CANCEL switch off

      		 -
      -SET Switch -SET switch signal ON or OFF

      ON: -SET switch on

      OFF: -SET switch off

      		 -
      +RES Switch +RES switch signal ON or OFF

      ON: +RES switch on

      OFF: +RES switch off

      		 -
      Cruise Ready Main-CPU Cruise control system standby condition (Main-CPU) ON or OFF

      ON: Cruise control main switch (Main-CPU) SET

      OFF: Cruise control main switch (Main-CPU) UNSET

      		 -

      Powertrain > Cruise Control > Data List
      Tester Display
      Cancel Switch
      -SET Switch
      +RES Switch
      Cruise Ready Main-CPU
      OK
      When the cruise control main switch is operated, the display changes as shown above.
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

  2. INSPECT CRUISE CONTROL MAIN SWITCH


    1. Remove the cruise control main switch.

      Click here

    2. Inspect the cruise control main switch.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE CRUISE CONTROL MAIN SWITCH Click here

    OK

  3. INSPECT CRUISE CONTROL SWITCH WIRE


    1. B008J57C20
      *a

      Front view of wire harness connector

      (to Spiral with Sensor Cable Sub-assembly)
      *b

      Front view of wire harness connector

      (to Cruise Control Main Switch)

      Disconnect the spiral with sensor cable sub-assembly connector.

    2. Disconnect the cruise control main switch connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      z8-3 (CCS) - A-3 (CCS) Always Below 1 Ω
      z8-4 (ECC) - A-1 (ECC) Always Below 1 Ω
      z8-3 (CCS) or A-3 (CCS) - Body ground Always 10 kΩ or higher
      z8-4 (ECC) or A-1 (ECC) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE CRUISE CONTROL SWITCH WIRE Click here

    OK

  4. INSPECT SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY


    1. Remove the spiral with sensor cable sub-assembly.

      Click here

    2. Inspect the spiral with sensor cable sub-assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY - ECM)


    1. Disconnect the I4 spiral with sensor cable sub-assembly connector.

    2. Disconnect the A35 ECM connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      I4-1 (CCS) - A35-55 (CCS) Always Below 1 Ω
      I4-2 (ECC) - A35-41 (ECCS) Always Below 1 Ω
      I4-1 (CCS) or A35-55 (CCS) - Body ground Always Below 1 Ω
      I4-2 (ECC) or A35-41 (ECCS) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE ECM Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR