Toyota Sienna Service Manual: Front seat frame with adjuster
Inspection
1. INSPECT FRONT SEAT ADJUSTER SUB-ASSEMBLY LH
- Check operation of the seat frame (slide motor).
- Check if the seat frame moves smoothly when the battery is connected to the slide motor connector terminals.
OK
If the result is not as specified, replace the seat frame with adjuster.
- Check operation of the seat frame (front vertical motor).
- Check if the seat frame moves smoothly when the battery is connected to the front vertical motor connector terminals.
OK
If the result is not as specified, replace the seat frame with adjuster.
- Check operation of the seat frame (lifter motor).
- Check if the seat frame moves smoothly when the battery is connected to the lifter motor connector terminals.
OK
If the result is not as specified, replace the seat frame with adjuster.
- Check operation of the seat frame (reclining motor).
- Check if the seat frame moves smoothly when the battery is connected to the reclining motor connector terminals.
OK
If the result is not as specified, replace the seat frame with adjuster.
2. INSPECT FRONT SEAT ADJUSTER SUB-ASSEMBLY RH
- Check operation of the seat frame (slide motor).
- Check if the seat frame moves smoothly when the battery is connected to the slide motor connector terminals.
OK
If the result is not as specified, replace the seat frame with adjuster.
- Check operation of the seat frame (reclining motor).
- Check if the seat frame moves smoothly when the battery is connected to the reclining motor connector terminals.
OK
If the result is not as specified, replace the seat frame with adjuster.
Power seat switch
Inspection
1. INSPECT FRONT POWER SEAT SWITCH
Inspect the driver side power seat switch.
Measure the resistance according to the
value(s) in the table below.
Standard resista ...
Front power seat lumbar switch
Inspection
1. INSPECT FRONT POWER SEAT LUMBAR SWITCH
Measure the resistance according to the value(s) in
the table below.
Standard resistance
If the result is not as specified ...
Other materials:
Poor Sound Quality in All Modes (Low Volume)
INSPECTION PROCEDURE
1 CHECK AUDIO SETTINGS
Set "BASS", "MID", and "TREB" to the initial values and
check that sound is normal.
OK:
Malfunction disappears.
2 COMPARE WITH ANOTHER VEHICLE OF SAME MODEL
Compare with another vehicle of the same model.
...
On-vehicle inspection
1. INSPECT SPEEDOMETER
Check the operation.
Using a speedometer tester, check the
speedometer indication according to the table
below.
Reference: mph (U.S.A.)
Reference: km/h (Canada)
NOTICE:
Tire wear as well as over or under inflation
will cause errors.
...
Diagnostic trouble code chart
1. DTC CHECK
If a malfunction code is displayed during the DTC check ,
check the suspected area listed for that code in the table
below, and proceed to the appropriate page.
DIAGNOSTIC TROUBLE CODE CHART
DTC No.
Detection Item
Suspect Area
B1244
Light Se ...
