2012 Lexus IS 350CFACTORY OEM SERVICE PROCEDURE

Power Source Control Ecu: Installation: Installation

  1. INSTALL POWER SOURCE CONTROL ECU 
    1. Connect the connector.
      Fig 1: Identifying Remove Power Source Control ECU
      GTY265320Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the power source control ECU with the bolt and 2 nuts.

      Bolt 

      Torque: 11 N*m (107 kgf*cm, 8 ft.*lbf) 

      Nut 

      Torque: 13 N*m (126 kgf*cm, 9 ft.*lbf) 

  2. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY  . Refer to INSTALLATION - Step 15
  3. INSTALL FRONT PASSENGER SIDE KNEE AIRBAG ASSEMBLY  . Refer to INSTALLATION - Step 1
  4. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY  . Refer to INSTALLATION - Step 17
  5. INSTALL INSTRUMENT SIDE PANEL RH  . Refer to INSTALLATION - Step 18
  6. INSTALL FRONT DOOR OPENING TRIM COVER RH 

    HINT: 

    Use the same procedure for the RH side and LH side. Refer to INSTALLATION - Step 15 .

  7. INSTALL DOOR SCUFF PLATE ASSEMBLY RH 

    HINT: 

    Use the same procedure for the RH side and LH side. Refer to INSTALLATION - Step 16 .

  8. 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 .

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.