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Last Modified: 11-27-2007 1.6 D
Service Category: Brake Section: Brake Control/Dynamic Control System
Model Year: 2008 Model: LX570 Doc ID: RM000001DWW00OX
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: DTC CHECK / CLEAR (2008 LX570)

DTC CHECK / CLEAR

1. DTC CHECK / CLEAR (SST CHECK WIRE)

(a) DTC check

(1) Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.

SST: 09843-18040

(2) Turn the engine switch on (IG).

(3) Read the DTCs from the ABS warning light or multi-information display on the combination meter.

HINT:

  • If no DTC is output, inspect the TC and CG terminal circuit, and the ABS warning light circuit.

    Trouble Area

    See Procedure

    TC and CG terminal circuit

    BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: DESCRIPTION (2008 LX570)

    ABS warning light circuit

    BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: DESCRIPTION (2008 LX570) or BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: DESCRIPTION (2008 LX570)

  • If 2 or more malfunctions are indicated at the same time, the lowest numbered DTC is output first.

    • (4) As examples, the illustration below shows the blinking patterns of the normal system code and DTC 11 and 21.

    (5) Refer to the Diagnostic Trouble Code Chart BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: DIAGNOSTIC TROUBLE CODE CHART (2008 LX570) for DTC information.

    (6) After completing the check, turn the engine switch off and remove SST from the DLC3.

    (b) DTC clear

    (1) Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.

    SST: 09843-18040

    (2) Turn the engine switch on (IG).

    (3) Clear the DTCs stored in the ECU by depressing the brake pedal 8 times or more within 5 seconds.

    (4) Check that "DIAG VSC OK" is displayed on the multi-information display and check that the ABS warning light outputs a normal system code.

    (5) Remove SST from the terminals of the DLC3.

    HINT:

    Clearing the DTCs cannot be performed by disconnecting the cable from the negative (-) battery terminal or removing the ECU-IG fuse.

    2. DTC CHECK / CLEAR (TECHSTREAM)

    (a) DTC check

    (1) Connect the Techstream to the DLC3.

    (2) Turn the engine switch on (IG).

    (3) Turn the Techstream on.

    (4) Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.

    (5) Read the DTCs by following the directions on the Techstream screen.

    (b) DTC clear

    (1) Connect the Techstream to the DLC3.

    (2) Turn the engine switch on (IG).

    (3) Turn the Techstream on.

    (4) Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.

    (5) Clear the DTCs by following the directions on the Techstream screen.

    3. END OF DTC CHECK / CLEAR

    (a) Turn the engine switch on (IG).

    (b) Check that the ABS warning light goes off within approximately 3 seconds.