DESCRIPTIONThis procedure is for troubleshooting when the ABS warning light remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the ABS warning light in the combination meter assembly via CAN communication. CAUTION / NOTICE / HINTNOTICE: Before performing this procedure, depress the brake pedal and confirm that the stop lights illuminate. PROCEDURE
(a) Check the combination meter assembly.
(a) Connect the GTS to the DLC3. (b) Turn the ignition switch to ON. (c) Enter the following menus: Chassis / Brake/EPB / Utility / Vehicle Control History (RoB). (d) Using the GTS, check for Vehicle Control History (RoB). Chassis > Brake/EPB > Utility
HINT: If vehicle control history (RoB) is stored when the electronically controlled brake system and electric parking brake system are suspended, the ABS warning light illuminates.
(a) Connect the GTS to the DLC3. (b) Turn the ignition switch to ON. (c) Enter the following menus: Body Electrical / Combination Meter / Active Test. (d) Perform the Active Test of the combination meter assembly using the GTS. Body Electrical > Combination Meter > Active Test
(e) Check the combination meter assembly. OK: The ABS warning light turns on or off in accordance with GTS operation.
(a) Connect the GTS to the DLC3. (b) Turn the ignition switch to ON. (c) Enter the following menus: Chassis / Brake/EPB / Utility / Vehicle Control History (RoB). (d) Using the GTS, check for Vehicle Control History (RoB). Chassis > Brake/EPB > Utility
HINT: If vehicle control history (RoB) is stored when the electronically controlled brake system and electric parking brake system are suspended, the ABS warning light illuminates.
(a) Connect the GTS to the DLC3. (b) Turn the ignition switch to ON. (c) Enter the following menus: Body Electrical / Combination Meter / Active Test. (d) Perform the Active Test of the combination meter assembly using the GTS. Body Electrical > Combination Meter > Active Test
(e) Check the combination meter assembly. OK: The multi-information display turns on or off in accordance with GTS operation.
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