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 FRAMESEATSTESTING AND INSPECTIONPINOUT VALUES AND DIAGNOSTIC PARAMETERS
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Pinout Values and Diagnostic Parameters
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Pinout Values and Diagnostic Parameters
TERMINALS OF ECU
1. POSITION CONTROL ECU AND SWITCH ASSEMBLY (POWER SEAT CONTROL SWITCH AND ECU)
a. Disconnect the P32 and P33 connectors.
b) Check the voltage of each terminal of the wire harness side connectors.
If the result is not as specified, there may be a malfunction in the wire harness side.
c. Check the resistance of each terminal of the wire harness side connectors.
If the result is not as specified, there may be a malfunction in the wire harness side.
d. Reconnect the P32 and P33 connectors.
e. Check the voltage of each terminal of the connectors.
If the result is not as specified, the position control ECU and switch assembly may be malfunctioning.
2. POWER WINDOW REGULATOR SWITCH ASSEMBLY (POWER WINDOW MASTER SWITCH)
a. Disconnect the P22 connector.
b. Check the voltage of each terminal of the wire harness side connectors.
If the result is not as specified, there may be a malfunction in the wire harness side.
c. Check the resistance of each terminal of the wire harness side connector.
If the result is not as specified, there may be a malfunction in the wire harness side.
d. Reconnect the P22 connector.
e. Check the voltage of each terminal of the connectors.
If the result is not as specified, the power window regulator switch assembly may be malfunctioning.
1. POSITION CONTROL ECU AND SWITCH ASSEMBLY (POWER SEAT CONTROL SWITCH AND ECU)
a. Disconnect the P32 and P33 connectors.
b) Check the voltage of each terminal of the wire harness side connectors.
If the result is not as specified, there may be a malfunction in the wire harness side.
c. Check the resistance of each terminal of the wire harness side connectors.
If the result is not as specified, there may be a malfunction in the wire harness side.
d. Reconnect the P32 and P33 connectors.
Part 1:
Part 2:
e. Check the voltage of each terminal of the connectors.
If the result is not as specified, the position control ECU and switch assembly may be malfunctioning.
2. POWER WINDOW REGULATOR SWITCH ASSEMBLY (POWER WINDOW MASTER SWITCH)
a. Disconnect the P22 connector.
b. Check the voltage of each terminal of the wire harness side connectors.
If the result is not as specified, there may be a malfunction in the wire harness side.
c. Check the resistance of each terminal of the wire harness side connector.
If the result is not as specified, there may be a malfunction in the wire harness side.
d. Reconnect the P22 connector.
e. Check the voltage of each terminal of the connectors.
If the result is not as specified, the power window regulator switch assembly may be malfunctioning.
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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.