Highlander 4WD L4-2.4L (2AZ-FE) (2001)
Trailer Connector: Testing and Inspection
TRAILER TOWING
T9 TRAILER CONVERTER
3 - GROUND: Approx. 12 volts with the light control SW at TAIL or HEAD position
8 - GROUND: Always approx. 12 volts
5 - GROUND: Always continuity
9 - GROUND: Approx. 12 volts with the stop light SW on
S15 STOP LIGHT SW
1 - 2 : Closed with the brake pedal depressed