Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

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INSPECTION PROCEDURE
NOTICE:
When replacing the skid control ECU (master cylinder solenoid), perform zero point calibration .
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
HINT:
Start the inspection from step 1 when using Techstream and start from step 3 when not using Techstream.
PROCEDURE
1. PERFORM ACTIVE TEST USING TECHSTREAM (MOTOR RELAY)
(a) Connect Techstream to the DLC3.
(b) Turn the ignition switch to the ON position.
(c) Turn Techstream ON.
(d) Select the Active Test mode on the Techstream.
ABS/VSC/TRAC
TESTER DISPLAY TEST PART CONTROL RANGE DIAGNOSTIC NOTE
Motor Relay Turns motor relay ON / OFF Operation of motor can be heard
(e) Check for operation sound of the motor when it is operated with Techstream.
OK:
The operation sound of the motor can be heard.
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GO TO STEP 3
2. RECONFIRM DTC
(a) Clear the DTCs .
(b) Turn the ignition switch to OFF.
(c) Depress the brake pedal more than 20 times.
(d) Turn the ignition switch to the ON position.
(e) Wait until the pump motor stops.
(f) Depress the brake pedal several times until the pump motor is turned on.
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