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 DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYTESTING AND INSPECTIONPINOUT VALUES AND DIAGNOSTIC PARAMETERSKEY REMINDER WARNING SYSTEM
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Key Reminder Warning System
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Key Reminder Warning System
TERMINALS OF ECU
1. CHECK INSTRUMENT PANEL J/B ASSEMBLY (BODY ECU)
a. Disconnect the B4 and B6 ECU connectors.
b. Disconnect the 1D, 1F and 1M J/B connectors.
c. Measure the voltage and resistance according to the value(s) in the table.
HINT: If the result is not as specified, there may be a malfunction on the wire harness side.
d. Reconnect the 1D, 1F, 1M, B4 and B6 connectors.
e. Measure the voltage according to the value(s) in the table.
1. CHECK INSTRUMENT PANEL J/B ASSEMBLY (BODY ECU)
a. Disconnect the B4 and B6 ECU connectors.
b. Disconnect the 1D, 1F and 1M J/B connectors.
c. Measure the voltage and resistance according to the value(s) in the table.
HINT: If the result is not as specified, there may be a malfunction on the wire harness side.
d. Reconnect the 1D, 1F, 1M, B4 and B6 connectors.
e. Measure the voltage according to the value(s) in the table.
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.