1. INSPECT INTAKE AIR CONTROL SYSTEM

(a) Using a 3-way connector, connect a vacuum gauge to the actuator hose.
(b) Connect the hand-held tester to the DLC3.
(c) Start the engine.
(d) On the hand-held tester, enter the ACTIVE TEST mode.
Standard:

InspectionHorn 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
(a) Check operation of the horn.
Standard:
If the result is not as specified, replace the horn ...