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:
Engine coolant temperature sensor
COMPONENTS
REMOVAL
1. DRAIN ENGINE COOLANT (See page CO-6)
2. REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-28)
3. REMOVE NO. 2 AIR CLEANER INLET (See page EM-
28)
4. REMOVE NO. 1 AIR CLEANER INLET (See page EM-
28)
5. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See
page ES-493)
6. REMOVE AI ...
Slip Indicator Light Remains ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN and
multiplex communications.
The SLIP indicator blinks during VSC and/or TRAC operation.
When the system fails, the SLIP indicator comes on to warn the driver.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
...
Terminals of ECU
1. RADIO AND NAVIGATION ASSEMBLY
*1: with Rear Seat Entertainment System
Reference: waveform 1
HINT:
Terminal: VV+ - VV-
Gauge set: 200 mV/DIV, 10 μs/DIV
Condition: DVD is played on radio and navigation
assembly
Reference: wave ...
