AV1: Check Power Supply To Rear Seat Speaker Volume Control

With the ignition key in the OFF position, disconnect the rear seat speaker volume control connector located on the left hand quarter trim panel. Turn the headlamp switch in the parking lamp position or the headlamp position. Measure the voltage on the Pink wire at the rear seat speaker volume control connector. See WIRING DIAGRAMS  . Is the voltage greater than 10 volts? If yes, go to the next step. If no service the Pink wire.