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 MANUALSLEXUS2012RX 450H AWD V6-3.5L (2GR-FXE) HYBRIDREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSMAIN RELAY (COMPUTER/FUEL SYSTEM)TESTING AND INSPECTIONINTEGRATION RELAY
2012 Lexus RX 450h AWD V6-3.5L (2GR-FXE) Hybrid
Integration Relay
2012 Lexus RX 450h AWD V6-3.5L (2GR-FXE) HybridSECTION Integration Relay
Integration Relay
1. INSPECT INTEGRATION RELAY
(a) Inner circuit
(1) for A/F relay
1 Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
HINT
If the result is not as specified, replace the integration relay.
(2) for Bi-XENON relay (for HID type)
1 Measure the resistance according to the value(s) in the table below.
Standard Resistance:
2 Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Text in Illustration
HINT
If the result is not as specified, replace the integration relay.
(3) for S-HORN relay
1 Measure the resistance according to the value(s) in the table below.
Standard Resistance:
2 Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Text in Illustration
HINT
If the result is not as specified, replace the integration relay.
(4) for HORN relay
1 Measure the resistance according to the value(s) in the table below.
Standard Resistance:
2 Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Text in Illustration
HINT
If the result is not as specified, replace the integration relay.
(5) for HEAD (RL) relay
1 Measure the resistance according to the value(s) in the table below.
Standard Resistance:
2 Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Text in Illustration
HINT
If the result is not as specified, replace the integration relay.
(6) for HEAD (LL) relay
1 Measure the resistance according to the value(s) in the table below.
Standard Resistance:
2 Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Text in Illustration
HINT
If the result is not as specified, replace the integration relay.
(7) for DRL relay
1 Measure the resistance according to the value(s) in the table below.
Standard Resistance:
2 Measure the voltage and check for pulses according to the value(s) in the table below.
Standard:
Text in Illustration
HINT
If the result is not as specified, replace the integration relay.
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.