XL-7 4WD V6-2.7L (2003)
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Seat Heater: Component Tests and General Diagnostics
Front Seat Heater Wire Inspection
1. Confirm that seat heater switch is OFF position.
2. Disconnect two couplers of seat heater under the seat cushion. (If seat under tray is equipped, pull out coupler between tray and seat cushion.)
3. Check for continuity between terminals as shown below. If no continuity, replace faulty seat cushion and/or seat back including seat heater.
Seat heater circuit specifications
Seat cushion: Continuity between terminal "A" and "C"
Seat cushion: Continuity between terminal "A" and "B"
Seat back: Continuity between terminal "F" and "H"
Seat back: Continuity between terminal "E" and "I"
Seat back: Continuity between terminal "D" and "G"