LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2015 >> IS 250 Base, AWD >> Repair and Diagnosis >> Steering >> Manual Steering >> Power Steering System - Service Information >> Power Steering Ecu >> Installation [04/2013 - 09/2020] >> Procedure

Installation [04/2013 - 09/2020]: Procedure

  1. INSTALL POWER STEERING ECU ASSEMBLY 
    1. Connect the 3 connectors to the power steering ECU assembly.

      HINT: 

      When connecting the connector with lock lever, as shown in the illustration, return the lock lever to its original position to connect the connector and securely push in the lock of the lock lever.

      GTY468800Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lock of the Lock Lever
      *b Lock Lever
    2. Install the power steering ECU assembly to the battery tray with the 3 bolts.

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

  2. INSTALL NO. 1 BATTERY TRAY SUPPORT 
    1. Install the No. 1 battery tray support.
  3. INSTALL BATTERY 
    1. Install the battery and battery insulator.
    2. Connect the 2 harness clamps.
    3. Install the battery clamp with the nut.

      Torque: 2.9 N.m (30 kgf/cm, 26 in.lbf) 

    4. Connect the cable to the positive (+) battery terminal and tighten the nut.

      Torque: 5.5 N.m (56 kgf/cm, 49 in.lbf) 

    5. Engage the 2 claws to install the center No. 1 cowl top ventilator louver.
  4. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    1. Connect the cable to the negative (-) battery terminal and tighten the nut.

      Torque: 5.5 N.m (56 kgf/cm, 49 in.lbf) 

      NOTE:

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

      Refer to INITIALIZATION [04/2013 - 06/2014] , or refer to INITIALIZATION [06/2014 - 08/2015] , or refer to INITIALIZATION [08/2015 - 10/2016] , or refer to INITIALIZATION [10/2016 - 10/2017] , or refer to INITIALIZATION [10/2017 - 09/2020]

  5. ROTATION ANGLE SENSOR INITIALIZATION AND TORQUE SENSOR ZERO POINT CALIBRATION 

    Refer to CALIBRATION [04/2013 - 09/2020]

  6. ASSIST MAP WRITING 

    Refer to CALIBRATION [04/2013 - 09/2020]