Toyota Sienna Service Manual: Horn system
PARTS LOCATION
PROBLEM SYMPTOMS TABLE
HORN SYSTEM
Horn
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Horn relay
INSPECTION
1. INSPECT HORN RELAY
Remove the horn relay from the instrument panel J/
B.
Measure the horn relay continuity.
Standard
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Other materials:
Problem symptoms table
HINT:
Proceed to troubleshooting of each circuit in the table below.
1. HEADLIGHT AND TAIL LIGHT SYSTEM
2. AUTOMATIC LIGHT CONTROL SYSTEM
3. LIGHT AUTO TURN OFF SYSTEM
4. FOG LIGHT SYSTEM
5. TURN SIGNAL AND HAZARD WARNING SYSTEM
6. ILLUMINATED ENTRY SYSTEM
7. OTHE ...
Remote Up / Down Function does not Operate
DESCRIPTION
If the REMOTE UP/DOWN function does not operate, any of the following
troubles may be the cause:
There is an open or short circuit in the wiring between the power
window master switch and the
applicable power window regulator switch.
The power window master swit ...
Checking and replacing
fuses
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as necessary.
Turn the engine switch to the “LOCK” position (vehicles without a
smart key system) or off (vehicles with a smart key system).
Open the fuse box cover.
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