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.
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HOMESERVICE MANUALSLEXUS2006RX 400H AWD V6-3.3L (3MZ-FE) HYBRIDREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONP CODE CHARTSP0500DYNAMIC LASER CRUISE CONTROL SYSTEM
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Dynamic Laser Cruise Control System
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Dynamic Laser Cruise Control System
DTC P0500 Vehicle Speed Sensor Malfunction
DESCRIPTION
The speed sensor detects the wheel speed and sends the appropriate signals to the skid control ECU.
The skid control ECU converts these wheel speed signals into a 4 pulse signal and outputs it to the hybrid vehicle control ECU via the combination meter. The hybrid vehicle control ECU determines the vehicle speed based on the frequency of these pulse signals.
INSPECTION PROCEDURE
DESCRIPTION
DTC Detection Condition:
The speed sensor detects the wheel speed and sends the appropriate signals to the skid control ECU.
The skid control ECU converts these wheel speed signals into a 4 pulse signal and outputs it to the hybrid vehicle control ECU via the combination meter. The hybrid vehicle control ECU determines the vehicle speed based on the frequency of these pulse signals.
Wiring Diagram:
Step 1-3:
Step 3(Continued)-4:
Step 4(Continued):
INSPECTION PROCEDURE
RENDER: 1.0x
NO RELATED
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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.