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 DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - TRANSMISSION AND DRIVETRAINRELAYS AND MODULES - CVTCONTROL MODULESERVICE AND REPAIRINSTALLATION
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) Hybrid
Installation
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) HybridSECTION Installation
P410 HYBRID TRANSMISSION / TRANSAXLE: TCM: INSTALLATION
1. INSTALL TRANSMISSION CONTROL ECU ASSEMBLY
(a) Engage the 2 claws to install the transmission control ECU assembly to the ECU integration box.
2. INSTALL ECU INTEGRATION BOX RH Installation
3. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY Installation
4. INSTALL LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY Installation
5. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY Installation
6. INSTALL INSTRUMENT SIDE PANEL RH Installation
7. INSTALL FRONT DOOR OPENING TRIM WEATHERSTRIP RH Installation
8. INSTALL COWL SIDE TRIM SUB-ASSEMBLY RH
HINT
Use the same procedure described for the LH side Installation.
9. INSTALL FRONT DOOR SCUFF PLATE RH
HINT
Use the same procedure described for the LH side Installation.
10. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected Repair Instruction - Initialization.
11. INSTALL REAR FLOOR BOARD UPPER NO. 3 PLATE Installation
12. INSTALL DECK FLOOR BOX RH Installation
13. INSTALL REAR NO. 3 FLOOR BOARD Installation
14. INSTALL REAR DECK FLOOR BOX Installation
15. INSTALL REAR NO. 2 FLOOR BOARD Installation
16. PERFORM INITIALIZATION
Repair Instruction - Initialization
17. PERFORM DIAGNOSTIC SYSTEM CHECK
Reading and Clearing Diagnostic Trouble Codes
18. INSPECT SRS WARNING LIGHT
Diagnosis System
RENDER: 1.0x
NO RELATED
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Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.