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:

On-vehicle inspection
HINT: The cooling fan may rotate when the ignition switch is turned from ACC to ON. This is normal. 1. CHECK COOLING FAN OPERATION WITH LOW TEMPERATURE (Below 83 C (181 F)) (a) Turn the ignition switch ON. (b) Check that the cooling fan stops. If not, check the cooling fan relay and ECT sen ...