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 DIAGNOSISHEATING AND AIR CONDITIONINGTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSIG POWER SOURCE CIRCUIT
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
IG Power Source Circuit
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION IG Power Source Circuit
IG Power Source Circuit
DESCRIPTION
This is the main power source supplied to the A/C amplifier assembly when the ignition switch is turned to the ON position. The power source is used for operating the A/C amplifier assembly and servomotor, etc.
INSPECTION PROCEDURE
DESCRIPTION
This is the main power source supplied to the A/C amplifier assembly when the ignition switch is turned to the ON position. The power source is used for operating the A/C amplifier assembly and servomotor, etc.
Wiring Diagram:
Step 1:
Step 1(Continued)-3:
Step 3(Continued)-4:
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.