Toyota Sienna Service Manual: Problem symptoms table
Proceed to the reference page shown in the table below for each malfunction symptom and troubleshoot each circuit.
HINT: Troubleshooting of the theft deterrent system is based on the premise that the door lock control system and the wireless door lock control system are operating normally. Accordingly, before troubleshooting the theft deterrent system, first make certain that the door lock control system and the wireless door lock control system are operating normally.
Theft deterrent system
Customize parameters
HINT:
The following items can be customized.
NOTICE:
After confirming whether the items requested by the
customer are applicable or not for customization,
perform customizing operation ...
Terminals of ECU
1. CHECK INSTRUMENT PANEL J/B ASSEMBLY
(MULTIPLEX NETWORK BODY ECU)
Disconnect the B6, B7 and B9 ECU connectors.
Disconnect the 1A, 1C, 1L and 1K J/B connectors.
Measure t ...
Other materials:
Removal
1. REMOVE BACK DOOR CENTER GARNISH (See page
ET-18)
2. REMOVE POWER BACK DOOR ROD (See page ED-
220)
3. REMOVE BACK DOOR LH SIDE GARNISH
4. REMOVE BACK DOOR RH SIDE GARNISH
5. REMOVE BACK DOOR PULL STRAP (See page ED-
221)
6. REMOVE BACK DOOR TRIM BOARD ASSEMBLY
7. REMOVE LH BACK-UP LIGH ...
Power easy access system
The seat is automatically adjusted to allow the driver to enter and exit
the vehicle easily.
When all of the following have
been performed, the driver’s seat
is automatically adjusted to a
position that allows driver to enter
and exit the vehicle easily.
The shift lever has been sh ...
Refrigerant
On-vehicle inspection
1. INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET
(a) This method uses a manifold gauge set to locate
problem areas. Read the manifold gauge pressure
when these conditions are established.
Test conditions:
Temperature at the air inlet is 30 to 35°C (86 to
95 ...
