Toyota Sienna Service Manual: Horn system
PARTS LOCATION
PROBLEM SYMPTOMS TABLE
HORN SYSTEM
Horn
...
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:
Air conditioning filter
The air conditioning filter must be changed regularly to maintain
air conditioning efficiency
Removal method
Turn the engine switch to the “LOCK” position (vehicles without a
smart key system) or off (vehicles with a smart key system).
Open the glove box. Slide off
the damper.
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Error in Picture Circuit/ No Current in Back-light/ Excess Current in
Back-light
DTC 34-10 Error in Picture Circuit
DTC 34-11 No Current in Back-light
DTC 34-12 Excess Current in Back-light
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
34-10
Error in power supply system for picture circuit
Radio and navigation assembly
...
Data list / active test
1. DATA LIST
Using the intelligent tester to read the Data List allows
the values or states of switches, sensors, actuators and
other items to be read without removing any parts. This
non-intrusive inspection can be very useful because
intermittent conditions or signals may be discovered
befor ...
