Toyota Sienna Service Manual: 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 the DTCs.
- Methods used to verify the cause of the problem are listed in order of probability in the suspected area column.
Display function:
Audio function:
Navigation function:
Steering pad switch function:
Bluetooth function:
Diagnosis display detailed
description
HINT:
This section contains a detailed description of displays
within diagnostic mode.
Illustrations may differ from the actual vehicle depending
on the device settings and optio ...
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 μ ...
Other materials:
Operating Light Control Rheostat does not Change Light Brightness
DESCRIPTION
The meter CPU receives signals for adjusting illumination on the meter from
this circuit. The meter CPU
detects the illumination level selected by the user according to the position of
the rheostat knob.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER ...
CD cannot be Ejected
INSPECTION PROCEDURE
1 PRESS "EJECT" AND CHECK OPERATION
Press the CD EJECT switch of the radio receiver for 2
seconds or more and check that the CD is ejected.
OK:
CD is ejected
2 REPLACE CD WITH ANOTHER AND RECHECK
Insert another CD and check if it is ejected.
OK:
CD ...
On-vehicle inspection
1. INSPECT FRONT PASSENGER AIRBAG ASSEMBLY
(VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
With the front passenger airbag assembly installed
on the vehicle, perform a visual check. If there are
any defects as mentioned below, replace the
instrumen ...
