Toyota Sienna Service Manual: Problem symptoms table
HINT: Inspect the fuse and relay before investigating the suspected areas shown in the table below.
POWER DOOR LOCK CONTROL SYSTEM
Customize parameters
1. CUSTOMIZING FUNCTION WITH INTELLIGENT
TESTER (REFERENCE)
HINT:
The following items can be customized.
NOTICE:
After confirming whether the items requested by
the customer are applic ...
Terminals of ECU
1. CHECK DRIVER SIDE J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)
Disconnect the 1C, 1J, 1L, 1K, 1P, B6, B7 and B9 J/
B connectors.
Measure the voltage and resistance according to
...
Other materials:
On-vehicle cleaning
1. INSPECT RADIATOR ASSEMBLY
(a) Check that the radiator and condenser are not
blocked with leaves, dirt, or insects. Clean the hose
connections.
If the fins are blocked, wash them with water or a
steam cleaner.
NOTICE:
If the distance between the steam cleaner and
core is ...
Problem symptoms table
SLIDING ROOF SYSTEM
Symptom
Suspected area
AUTO function does not operate
Sliding roof motor assembly
Sliding roof system does not operate
ECU-IG fuse
S/ Roof fuse
IG1 relay
Sliding roof housing assembly
Sliding roof motor switc ...
When towing full-time 4wd vehicles
Use one of the methods shown below to tow the
vehicle.
If the vehicle has trouble with the chassis or drive
train, use method 1 (flat bed truck).
WHEN TOWING FULL-TIME 4WD VEHICLES
NOTICE: Do not use any towing method other than those shown above.
The towing methods shown b ...
