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.
1997 Lexus LS 400FACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Miscellaneous
MISCELLANEOUS
| Component | Component Location |
|---|---|
| Air Conditioning Amplifier | Behind center of dash. See Figure. |
| Blower Controller | Behind right side of dash, beside blower motor. See Figure. |
| Data Link Connector (DLC) No. 1 | On bracket, on top front of engine. See Figure. |
| Data Link Connectors (DLC) Nos. 2 & 3 | Under left side of dash. See Figure. |
| Electronic Modulated Air Suspension Actuators | On top of each shock absorber. |
| Fuel Pump Resistor | On left front inner fender panel. See Figure. |
| Igniter (Bank 1) | Next to air cleaning housing. See Figure. |
| Igniter (Bank 2) | Next to air cleaning housing. See Figure. |
| Ignition Coil No. 1 | In left front of engine compartment. See Figure. |
| Ignition Coil No. 2 | On front of engine. See Figure. |
| Stereo Component Amplifier | Under front passenger's seat. See Figure. |
| Telephone Transceiver | On right side of luggage compartment. See Figure. |
| Throttle Valve Motor Driver | On right side of dash. See Figure. |
| Transponder Key Amplifier | Behind center of dash. See Figure. |
| Transponder Key Computer | Behind right side of dash. See Figure. |
Factory Service Tools
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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.
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