Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2008 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
Navigation Ecu: Installation
WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
A bolt without a torque specification is shown in the standard bolt chart (see SPECIFIED TORQUE FOR STANDARD BOLTS ).
- INSTALL NO. 2 DISC PLAYER BRACKET
- Install the bracket with the 2 screws.
- INSTALL DISC PLAYER BRACKET
- Install the bracket with the 2 screws.
- INSTALL NAVIGATION ECU
- Connect the 3 connector.
- Install the ECU with the bolt and 2 nuts.
- INSTALL LUGGAGE COMPARTMENT TRAY BRACKET FRONT
- Install the 2 bracket with the 2 bolts and 2 nuts.
- INSTALL LUGGAGE COMPARTMENT TRIM COVER FRONT (See INSTALLATION )
- INSTALL TONNEAU COVER ASSEMBLY (See INSTALLATION )
- INSTALL LUGGAGE COMPARTMENT TRIM COVER SUB-ASSEMBLY REAR (See INSTALLATION )
- INSTALL TOOL BOX COVER (See INSTALLATION )
- INSTALL SPARE WHEEL COVER ASSEMBLY
- INSTALL LUGGAGE COMPARTMENT TRIM COVER LH (See INSTALLATION )
- INSTALL LUGGAGE COMPARTMENT TRIM COVER RH (See INSTALLATION )
- INSTALL LUGGAGE COMPARTMENT FLOOR MAT
- INSTALL REAR FLOOR FINISH PLATE (See INSTALLATION )
- CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
- PERFORM INITIALIZATION
- Perform initialization (see
INITIALIZATION
).NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
- Perform initialization (see
INITIALIZATION
).
Factory Service Tools
Use the Manual With the Right Hardware
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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.
