Toyota Sienna Service Manual: Low pitched horn
COMPONENTS
REMOVAL
1. REMOVE FRONT BUMPER COVER ET-3
2. REMOVE LOW PITCHED HORN
- Disconnect the connector.
- Remove the bolt and horn.
INSPECTION
1. INSPECT LOW PITCHED HORN
- Apply battery voltage and check operation of the horn, as shown in the table.
Standard
INSTALLATION
1. INSTALL LOW PITCHED HORN
- Place the stay onto the baffle part of the radiator
support upper and then install the horn with the bolt.
Torque: 20 N*m (199 kgf*cm, 15 ft.*lbf)
- Connect the connector.
2. INSTALL FRONT BUMPER COVER
Horn relay
INSPECTION
1. INSPECT HORN RELAY
Remove the horn relay from the instrument panel J/
B.
Measure the horn relay continuity.
Standard
...
High pitched horn
COMPONENTS
REMOVAL
1. REMOVE FRONT BUMPER COVER
2. REMOVE HIGH PITCHED HORN
Disconnect the connector.
Remove the bolt and horn.
INSPECTION
1. INSPECT HIGH PITCHED HORN
...
Other materials:
Removal
1. DISCHARGE REFRIGERANT FROM
REFRIGERATION SYSTEM
SST 07110-58060 (07117-58080, 07117-58090,
07117-78050, 07117-88060, 07117-88070,
07117-88080)
HINT:
See page AC-172.
2. REMOVE REAR DOOR SCUFF PLATE RH (See page
IR-7)
3. REMOVE BACK DOOR SCUFF PLATE (See page IR-
8)
4. REMOVE QUARTER TR ...
Clearance Warning ECU Power Source Circuit
DESCRIPTION
This circuit provides power to the clearance warning ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - AIR CONDITIONER
AMPLIFIER)
Disconnect the connectors from the clearance warning
ECU C9 and air conditioner amplifier con ...
Data list
HINT:
Reading the DATA LIST displayed on an intelligent tester
enables values, including those of the switches, sensors,
and actuators, to be checked without removing any
parts. Reading the DATA LIST as the first step in
troubleshooting is one method to shorten diagnostic
time.
NOTICE: ...
