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 MANUALSLEXUS2012CT 200H L4-1.8L (2ZR-FXE) HYBRIDREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSMAIN RELAY (COMPUTER/FUEL SYSTEM)TESTING AND INSPECTIONINSPECTION
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) Hybrid
Inspection
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) HybridSECTION Inspection
2ZR-FXE ENGINE CONTROL: INTEGRATION RELAY: INSPECTION
1. INSPECT NO. 2 INTEGRATION RELAY
Text in Illustration
(a) IG2 RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
Standard Resistance:
If the resistance is not as specified, replace the integration relay.
(b) BATT FAN RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
Standard Resistance:
If the resistance is not as specified, replace the integration relay.
(c) EFI MAIN RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
Standard Resistance:
If the resistance is not as specified, replace the integration relay.
(d) C/OPN RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
Standard Resistance:
If the resistance 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.