SPEED LIMITER SYSTEM Speed Limiter System does not Operate

DTC Code DTC Name
Speed Limiter System does not Operate

DESCRIPTION

When the speed limiter is turned on using the speed limiter switch, the ECM illuminates the speed limiter indicator and activates the speed limiter system. Each function of the speed limiter system can be activated by operating the cruise control switch. When the cruise control system is operating, the speed limiter system will not operate.

WIRING DIAGRAM

B411694E05
B418222E02

PROCEDURE

  1. CHECK CRUISE CONTROL SYSTEM

    1. Turn the ignition switch ON.

    2. Turn the cruise control on using the cruise control switch.

    3. Check the operation of each function by operating the cruise control switch.

      Click here

    OK

    Each function of the cruise control system operates normally.

    Result

    Proceed to

    OK

    NG
    NG

    GO TO CRUISE CONTROL SYSTEM

    Click here

    OK

  2. READ VALUE USING GTS (ASL MAIN SWITCH)

    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. for 2WW:

      Enter the following menus: Powertrain / Engine and ECT / Data List.

    5. for 2WW:

      According to the display on the GTS, read the Data List.

      Powertrain > Engine and ECT > Data List

      Tester Display

      Measurement Item

      Range

      Normal Condition

      Diagnostic Note

      ASL Main SW

      Speed limiter switch signal

      ON or OFF

      ON: Speed limiter switch on

      OFF: Speed limiter switch off

      -

      Powertrain > Engine and ECT > Data List

      Tester Display

      ASL Main SW

    6. for 3ZR-FAE:

      Enter the following menus : Powertrain / Cruise Control / Data List / ASL Main Switch.

    7. for 3ZR-FAE:

      According to the display on the GTS, read the Data List.

      Powertrain > Cruise Control > Data List

      Tester Display

      Measurement Item

      Range

      Normal Condition

      Diagnostic Note

      ASL Main Switch

      Speed limiter switch signal

      ON or OFF

      ON: Speed limiter switch on

      OFF: Speed limiter switch off

      -

      Powertrain > Cruise Control > Data List

      Tester Display

      ASL Main Switch

    OK

    The GTS display changes according to switch operation.

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE ECM

    for 2WW:Click here

    for 3ZR-FAE:Click here

    NG

  3. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - ECM)

    1. Disconnect the A62 ECM connector.

    2. Disconnect the G8 spiral cable sub-assembly connector.

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

      Standard Resistance

      Table 1. for 2WW

      Tester Connection

      Condition

      Specified Condition

      A62-49 (ASLM) - G8-4 (ASL)

      Always

      Below 1 Ω

      A62-42 (ECCS) - G8-2 (ECC)

      Always

      Below 1 Ω

      A62-49 (ASLM) or G8-4 (ASL) - Body ground

      Always

      10 kΩ or higher

      A62-42 (ECCS) or G8-2 (ECC) - Body ground

      Always

      10 kΩ or higher
      Table 2. for 3ZR-FAE

      Tester Connection

      Condition

      Specified Condition

      A62-20 (ASLM) - G8-4 (ASL)

      Always

      Below 1 Ω

      A62-35 (ECCS) - G8-2 (ECC)

      Always

      Below 1 Ω

      A62-20 (ASLM) or G8-4 (ASL) - Body ground

      Always

      10 kΩ or higher

      A62-35 (ECCS) or G8-2 (ECC) - Body ground

      Always

      10 kΩ or higher

    Result

    Result

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (ECM - BODY GROUND)

    1. Disconnect the A62*1 or B93*2 ECM connector.

      • *1: for 2WW

      • *2: for 3ZR-FAE

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

      Standard Resistance

      Table 3. for 2WW

      Tester Connection

      Condition

      Specified Condition

      A62-4 (E1) - Body ground

      Always

      Below 1 Ω
      Table 4. for 3ZR-FAE

      Tester Connection

      Condition

      Specified Condition

      B93-59 (E1) - Body ground

      Always

      Below 1 Ω

    Result

    Result

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. INSPECT SPIRAL CABLE SUB-ASSEMBLY

    1. Remove the spiral cable sub-assembly.

      for Single Type:Click here

      for Dual Type:Click here

    2. Inspect the spiral cable sub-assembly.

      for Single Type:Click here

      for Dual Type:Click here

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

    for Single Type:Click here

    for Dual Type:Click here

    OK

  6. INSPECT STEERING PAD SWITCH ASSEMBLY

    1. Remove the steering pad switch assembly.

      Click here

    2. Inspect the steering pad switch assembly.

      Click here

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE ECM

    for 2WW:Click here

    for 3ZR-FAE:Click here

    NG

    REPLACE STEERING PAD SWITCH

    Click here