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Skid Control Ecu: Installation: Installation

NOTE:

While the battery is connected, even if the engine switch is off, the brake control system activates when the brake pedal is depressed or the door courtesy switch turns on. Therefore during servicing of the brake system components, do not operate the brake pedal and open/close the doors while the battery is connected.

  1. INSTALL SKID CONTROL ECU BRACKET 
    1. Install the bracket with the bolt and 2 nuts.
      Fig 1: Identifying Nuts, Bolt And Bracket
      GTY254141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

  2. INSTALL SKID CONTROL ECU 
    1. Connect the 2 connectors (labeled A) and press the lock levers down to lock the connectors.
      Fig 2: Connecting Connector
      GTY289191Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Make sure that the lock levers securely lock the connectors.

    2. Connect the connector (labeled B).
    3. Install the ECU with the 2 bolts (labeled C) and nut (labeled D).
      Fig 3: Locating ECU With Bolts And Nut
      GTY261460Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

    4. Connect the short connector for the brake stroke simulator (labeled E) to the bracket of the skid control ECU.
  3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION .

  4. INSTALL COWL TOP VENTILATOR LOUVER RH  . Refer to INSTALLATION - Step 17
  5. CHECK AND CLEAR DTC 
    1. Check and clear the DTCs. Refer to DTC CHECK / CLEAR .
  6. PERFORM LINEAR VALVE OFFSET LEARNING 
    1. When the skid control ECU is replaced, perform the linear valve offset learning. Refer to INITIALIZATION .
  7. PERFORM YAW RATE SENSOR ZERO POINT CALIBRATION 
    1. Perform yaw rate sensor zero point calibration. Refer to CALIBRATION .
  8. PERFORM TEST MODE INSPECTION 
    1. Perform the test mode inspection. Refer to TEST MODE PROCEDURE .
  9. INSTALL ENGINE ROOM SIDE COVER LH  . Refer to INSTALLATION - Step 103
  10. INSTALL V-BANK COVER SUB-ASSEMBLY  . Refer to INSTALLATION - Step 8
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