Toyota Sienna Service Manual: Terminals of ECU
1. RADIO RECEIVER (10 SPEAKER SYSTEM)
*1: with Rear Seat Entertainment System
2. RADIO RECEIVER (6 SPEAKER SYSTEM)
*1: with Rear Seat Entertainment System
*2: without Rear Seat Entertainment System
3. STEREO COMPONENT AMPLIFIER
4. TELEVISION DISPLAY ASSEMBLY
Problem symptoms table
HINT:
Before inspecting the suspected areas listed in the table
below, check the fuse and relay.
Before inspecting the suspected areas listed in the table
below, check for DTCs.
...
DTC check / clear
HINT: If the system cannot enter the diagnostic mode,
inspect all AVC-LAN communication signals and repair or replace problem parts.
1. STARTING DIAGNOSTIC MODE
Turn the ignition swit ...
Other materials:
System description
1. Radio and navigation assembly outline
Conventionally, 2 separate devices, a "radio and
display" and a "navigation ECU" are used. This
model has adopted a new type, combining these
devices into a single unit.
2. Navigation system outline
Vehicle ...
Fold Seat Switch Circuit
DESCRIPTION
When the fold seat switch is operated, a switch operation signal is sent to
the fold seat control ECU. The
ECU receives switch operation signals from each switch and activates the folding
motor, reclining motor,
and release actuator.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 IN ...
Center Airbag Sensor Assembly Malfunction
DTC B1100/31 Center Airbag Sensor Assembly Malfunction
DESCRIPTION
The center airbag sensor assembly consists of the center airbag sensor
assembly, safing sensor, drive
circuit, diagnosis circuit and ignition control, etc.
It receives signals from the airbag sensor, judges whether or not the ...
