2003 Honda Pilot EXFACTORY OEM SERVICE PROCEDURE

Electrical Component Locator: Miscellaneous

MISCELLANEOUS LOCATION

Component Component Location
Antenna Amplifier At rear left of roof.
Data Link Connector Lower left side of dash. See Figure.
Front Blower Power Transistor On bottom of blower unit, next to front blower motor. See Figure.
GPS Antenna Behind upper center of dash, behind center panel.
Ignition Coils No. 1-6 On top of respective spark plug.
Interior Lights Noise Condenser Behind right side of dash.
Junction Connector C103 At left side of engine compartment.
Junction Connector C104 At left side of engine compartment.
Junction Connector C105 At center of engine compartment.
Junction Connector C106 At center of engine compartment.
Multiplex Control Inspection Connector Behind left side of dash. See Figure.
Navigation Service Check Connector Under right front seat.
Rear Blower Power Transistor Under center console. See Figure.
Rear Blower Resistor Under center console. See Figure.
Rear Window Defogger Noise Condenser Behind liftgate upper trim.
Test Tachometer Connector At left side of engine compartment.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.