Toyota Sienna Service Manual: Horn relay
INSPECTION
1. INSPECT HORN RELAY
- Remove the horn relay from the instrument panel J/ B.
- Measure the horn relay continuity.
Standard
Horn system
PARTS LOCATION
PROBLEM SYMPTOMS TABLE
HORN SYSTEM
...
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
...
Other materials:
Removal
1. Remove engine under cover no.1
2. Disconnect cable from negative battery
terminal
3. Drain automatic transaxle fluid (see page
ax-131)
4. Remove automatic transaxle oil pan subassembly
(a) Remove the 18 bolts, oil pan and gasket.
NOTICE:
Some fluid will remain in the oil pan. ...
Problem symptoms table
HINT:
Inspect the fuse and relay before confirming the suspected
areas in the table below.
Inspect each suspected area in numerical order for the
corresponding symptom.
If the malfunction still exists after checking and confirming
that all circuits and components are normal ...
Short in Front Passenger Side Squib 2nd Step
Circuit
DTC B1185/57 Short in Front Passenger Side Squib 2nd Step
Circuit
DESCRIPTION
The front passenger side squib 2nd step circuit consists of the center airbag
sensor assembly and the
front passenger airbag assembly.
The circuit instructs the SRS to deploy when deployment conditions are met.
...
