TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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BAT/Brakes, ABS & TRAC Systems46 / 167
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INSPECT BRAKE ACTUATOR OPERATION — MK4 Supra Brakes, ABS & TRAC Systems, page 46
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BR–46 BRAKE SYSTEM – ANTI–LOCK BRAKE SYSTEM (ABS) TOYOTA A.B.S.(Anti-lock Brake System) ACTUATOR CHECKER SHEET A MOTOR SOLENOID FRONT BLANK LF REAR REAR LH POWER SWITCH SELECTOR SWITCH POWER SWITCH BR1811 4. INSPECT BRAKE ACTUATOR OPERATION (a) Start the engine, and run it at idle speed. (b) Turn the selector switch of the actuator checker to the "FRONT RH" position. (c) Push and hold in the MOTOR switch for a few seconds. (d) Depress the brake pedal and hold it until step (g) is completed. TOYOTA A.B.S.(Anti-lock Brake System) ACTUATOR CHECKER SHEET A MOTOR SOLENOID BR1812E2405 R00324 (e) Push the POWER SWITCH, and check that the brake pedal cannot be depressed. NOTICE: Do not keep the MAIN switch pushed down for more than 10 seconds. (f) Release the switch, and check that the pedal can be depressed. TOYOTA A.B.S.(Anti-lock Brake System) ACTUATOR CHECKER SHEET A MOTOR SOLENOID BR1811E2410 R00325 (g) Push and hold in the MOTOR switch for a few seconds, and check that the pedal returns. (h) Release the brake pedal. TOYOTA A.B.S.(Anti-lock Brake System) ACTUATOR CHECKER SHEET A MOTOR SOLENOID BR1811E2405 R00326 (i) Push and hold in the MOTOR switch for a few seconds. (j) Depress the brake pedal and hold it for about 15 seconds. As you hold the pedal down, push the MOTOR switch for a few seconds. Check that the brake pedal does not pulsate. 5. INSPECT FOR OTHER WHEELS (a) Turn the selector switch to the "FRONT LH" position. (b) Repeat (c) to (j) of step 4, checking the actuator operation in the same way. (c) Also, inspect the "REAR RH" and "REAR LH" positions following the same procedure. HINT: When inspecting the "REAR LH" position, push the REAR LH switch instead of the POWER SWITCH. This makes it possible to inspect wherever the selector switch position indicates. TOYOTA A.B.S.(Anti-lock Brake System) ACTUATOR CHECKER SHEET A MOTOR SOLENOID REAR LH POWER SWITCH SELECTOR SWITCH POWER SWITCH BR1813