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.
2003 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
Height Control Sensor Sub-ASSY Front LH: Replacement
WARNING: This page is about a different car, the 2004 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
COMPONENTS: See LIGHTING
- REMOVE FRONT WHEELS (See REMOVAL & INSTALLATION )
- REMOVE HEIGHT CONTROL SENSOR SUB-ASSY FRONT LH
- Disconnect the connector.
- Remove the nut and disconnect the height control sensor link.
- Remove the 2 bolts and height control sensor sub-assy front LH.
- INSTALL HEIGHT CONTROL SENSOR SUB-ASSY FRONT LH
- Install the height control sensor sub-assy front LH with the 2 bolts.
Torque: 7.8 N.m (80 kgf.cm, 69 in.lbf)
- Install the nut.
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
- Connect the connector.
- Install the height control sensor sub-assy front LH with the 2 bolts.
- INSTALL FRONT WHEELS (See REMOVAL & INSTALLATION )
- ADJUST HEIGHT CONTROL SENSOR SUB-ASSY FRONT LH
- Adjust the front height control sensor link.
- Loosen the lock nut of the height control sensor link.
- While the vehicle is unloaded, adjust the length of the height control sensor's arm by rotating the link so that the arm is set in the normal position.
- Check that the length of the threaded part, dimension (A) in Fig 3
, is shorter than the standard value.
Standard: 14 mm (0.55 In.)
- Tighten the look nut of the height control sensor link.
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
- Adjust the front height control sensor link.
- HEADLIGHT AIM ONLY (See ADJUSTMENT )
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.
