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Actuator Check

NOTE: Actuator Checker (SST 09990-00150) is needed to perform actuator check.
  1. Turn ignition off. Ensure battery voltage is 10-14 volts. Disconnect actuator electrical connectors. Connect Actuator Checker (SST 09990-00150) to actuator. Connect actuator checker positive and negative power cables to vehicle battery.
  2. Start engine and operate at idle. Turn selector switch of actuator checker to FRONT RH position. See Fig 1. Press MOTOR switch for a few seconds. Depress brake pedal and hold it in position until step 3) is completed.
    NOTE: Do not keep MAIN switch pressed for more than 10 seconds.
  3. Press MAIN switch, and ensure brake pedal does not go down. Release MAIN switch. Brake pedal should go down. Press MOTOR switch for a few seconds, and ensure brake pedal returns. Release brake pedal.
  4. Press MOTOR switch for a few seconds then release it. Depress brake pedal and hold it down for 15 seconds. With brake pedal depressed, press MOTOR switch for a few seconds. Ensure brake pedal does not pulsate. Replace actuator if it does not test as specified. See ABS ACTUATOR  under REMOVAL & INSTALLATION.
  5. Repeat step 2 for FRONT LH and REAR positions of selector switch. See Fig 1. After all wheels are checked, press MOTOR switch for a few seconds..
  6. Remove actuator checker. Reconnect actuator harness connectors. Clear diagnostic trouble codes. See CLEARING CODES .
Fig 1: Identifying Actuator Checker Switches
G96G19642Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002