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.
VCR CONTROL MODULE : Removal and Installation
Perform "VARIABLE COMPRESSION RATIO BASE POSITION LEARNING". Refer to Work Procedure .
REMOVAL
- Disconnect negative battery terminals, then wait at least three minutes. Refer to Exploded View .
- Partially remove the fender protector (LH). Refer to Exploded View .
- Remove the relay box.
- Disconnect the harness connector from the VCR control module.
- Remove the VCR control module nuts.
- Remove the VCR control module.
INSTALLATION
Installation is in the reverse order of removal.
Perform "VARIABLE COMPRESSION RATIO BASE POSITION LEARNING". Refer to Work Procedure .
NO RELATED
Use the Manual With the Right Hardware
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.