Toyota Sienna Service Manual: Problem symptoms table
HINT: Inspect the "Fuse" and "Relay" before confirming the suspected area as shown in the table below.
DISPLAY FUNCTION:
SOUND FUNCTION:
REMOTE CONTROL FUNCTION:
*1: without Navigation System
*2: with Navigation System
How to proceed with
troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
Interview the customer and confirm the trouble.
Confirm the problem by duplicating the conditions
described by the customer
3 ...
Terminals of ECU
1. TELEVISION DISPLAY ASSEMBLY
*1: with Navigation System ...
Other materials:
Manual Up / Down and Auto Down Function does not Operate on
Driver Side
DESCRIPTION
If the manual UP/DOWN function does not operate, no power may be supplied to
the power window
master switch or the power window motor. The power window master switch itself
or the wire harness may
be malfunctioning.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (P/W)
...
On-vehicle inspection
1. INSPECT FRONT AXLE HUB BEARING BACKLASH
(a) Using a dial gauge, check for backlash near the
center of the axle hub.
Maximum:
0.05 mm (0.0020 in.)
If backlash exceeds the maximum, replace the
bearing.
NOTICE:
Ensure that the dial gauge is set at right angles
to the measurement surface ...
VC Output Circuit
DESCRIPTION
The ECM constantly uses 5 V from the battery voltages supplied to the +B (BATT)
terminal to operate the
microprocessor. The ECM also provides this power to the sensors through the VC
output circuit.
When the VC circuit is short-circuited, the microprocessor in the ECM and
sens ...
