Hands Free Switch: Repair procedures
Inspection
1.
Check the handsfree remote control switch for resistance between No.3 and No.4 terminals in each switch position.
[Call + Hang Up]
SwitchConnector terminalResistance (±5%) Output ...
Air conditioning
Press the A/C button to turn the air conditioning system on (indicator light
will illuminate). Press the button again to turn the air conditioning system off. ...