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Steering Control Ecu: Installation

  1. INSTALL STEERING CONTROL ECU 
    1. Install the ECU to the junction block with the bolt and nut.

      Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

      Fig 1: Locating Steering Control ECU Bolt And Nut
      G05762046Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL STEERING CONTROL ECU WITH JUNCTION BLOCK 
    1. Front side:
      1. Connect the 5 connectors.
    2. Rear side:
      1. Install the ECU with junction block with the bolt and 2 nuts.

        Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

      2. Attach the 2 clamps.
      3. Connect the 7 connectors.
      Fig 2: Locating Steering Control ECU With Junction Block Connectors
      G05762048Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL INSTRUMENT PANEL BOX ASSEMBLY  (See INSTALLATION )
  4. INSTALL DRIVER SIDE KNEE AIRBAG ASSEMBLY  (See INSTALLATION )
  5. INSTALL NO. 1 SWITCH HOLE BASE  (See INSTALLATION )
  6. INSTALL LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL  (See INSTALLATION )
  7. INSTALL COWL SIDE TRIM BOARD LH  (See INSTALLATION )
  8. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY  (See INSTALLATION )
  9. INSTALL FRONT DOOR SCUFF PLATE LH  (See INSTALLATION )
  10. INSTALL INSTRUMENT SIDE PANEL LH  (See INSTALLATION )
  11. INSTALL INNER NO. 1 INSTRUMENT PANEL BRACKET COVER LH  (See INSTALLATION )
  12. INSTALL LOWER INSTRUMENT PANEL PAD SUB-ASSEMBLY LH  (See INSTALLATION )
  13. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  14. CHECK SRS WARNING LIGHT 
    1. Check the SRS warning light (See DIAGNOSIS SYSTEM ).