Toyota Highlander Service Manual: Communication system

Window glass (antenna wire)

REPAIR 1. INSPECT WINDOW GLASS (ANTENNA WIRE) NOTICE: When cleaning the glass, use a soft, dry cloth, and wipe the glass in the direction of the wire. Take care not to damage the wires. Do no ...

Horn system

LOCATION INSPECTION 1. INSPECT RELAY (HORN) (a) Remove the HORN relay from the engine room J/B. (b) Measure the HORN relay resistance. Standard: 2. INSPECT HIGH PITCHED HORN ASSY ...

More about Toyota Highlander:

Inspection
1. INSPECT POWER WINDOW REGULATOR SWITCH ASSY (a) Check continuity.  Check the continuity between the terminals when battery voltage is applied to terminals 1 and 8. Standard: If the continuity is not as specified, replace the switch. ...