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 MANUALSHONDA2002CIVIC SIREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 79 (REAR DIFFERENTIAL)VTM-4 CONTROL UNIT REPLACEMENT
2002 Honda Civic Si
VTM-4 Control Unit Replacement
2002 Honda Civic SiSECTION VTM-4 Control Unit Replacement
WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The VTM-4 control unit must be initialized (see INITIALIZATION OF THE VTM-4 CONTROL UNIT
) after replacement, otherwise the 4WD system will not function.
- Remove the front mounting bolts from the right third row seat, and fold the seat cushion back (see THIRD ROW SEAT REMOVAL/INSTALLATION ).
- Remove the cover (A) from the right rear side trim panel to gain access to the VTM-4 control unit (B).
- Remove the three bolts (C) from the VTM-4 control unit.
- Disconnect the VTM-4 control unit connectors.
- Install the VTM-4 control unit in the reverse order of removal.
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.