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)SERVICE AND REPAIRREMOVALPOWER DISTRIBUTION
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) Hybrid
Power Distribution
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) HybridSECTION Power Distribution
POWER DISTRIBUTION: INTEGRATION RELAY: REMOVAL
1. PRECAUTION
NOTICE:
After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work Service Precautions.
2. REMOVE REAR NO. 2 FLOOR BOARD Removal
3. REMOVE REAR DECK FLOOR BOX Removal
4. REMOVE REAR NO. 3 FLOOR BOARD Removal
5. REMOVE DECK FLOOR BOX RH Removal
6. REMOVE REAR FLOOR BOARD UPPER NO. 3 PLATE Removal
7. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected Repair Instruction - Initialization.
8. REMOVE NO. 1 RELAY BLOCK COVER
(a) Disengage the 3 claws and remove the No. 1 relay block cover as shown in the illustration.
9. REMOVE NO. 1 INTEGRATION RELAY
(a) Disengage the 2 claws and pull up the No. 1 integration relay as shown in the illustration.
(b) Disconnect the 3 connectors and remove the No. 1 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.