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 DIAGNOSISLIGHTING AND HORNSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSAFS ECU POWER SOURCE CIRCUIT
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
AFS ECU Power Source Circuit
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION AFS ECU Power Source Circuit
AFS ECU Power Source Circuit
DESCRIPTION
This circuit detects the state of the ignition switch and send it to the AFS ECU.
INSPECTION PROCEDURE
DESCRIPTION
This circuit detects the state of the ignition switch and send it to the AFS ECU.
Wiring Diagram:
Step 1:
Step 1(Continued)-3:
Step 4-5:
Step 5(Continued)-6:
Step 7-8:
Step 8(Continued)-10:
Step 10(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.