Toyota Sienna Service Manual: Diagnostic trouble code chart
Look for output Diagnostic Trouble Codes (DTCs) (from the DTC checks) in the appropriate section's Diagnostic Trouble Code Chart. Use the chart to determine the trouble area and the proper inspection procedure. A description of each of the chart's columns is shown in the table below.
| Item | Description |
| DTC No. | Indicates the diagnostic trouble code |
| Detection Item | Indicates the system or details of the problem |
| Trouble Area | Indicates the suspect areas of the problem |
| See Page | Indicates the page where the inspection procedures for each circuit is to be found, or gives instruction for checking and repairs. |
Symptom simulation
HINT:
The most difficult case in troubleshooting is when no
problem symptoms occur. In such a case, a thorough
problem analysis must be carried out. A simulation of the
same or similar conditions ...
Problem symptoms table
When a "Normal" code is output during a DTC check but
the problem still occurs, use the Problem Symptoms
Table. The suspected areas (circuits or parts) for each
problem symptoms are in th ...
Other materials:
On-vehicle inspection
1. INSPECT CURTAIN SHIELD AIRBAG ASSEMBLY
(VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
With the curtain shield airbag assembly installed on
the vehicle, perform a visual check. If there are any
defects as mentioned below, replace the front pillar
...
Precaution
1. PRECAUTION
(a) Before inspecting and repairing the fuel system,
disconnect the cable from the negative (-) battery
terminal.
(b) Do not smoke or work near fire when handling the
fuel system.
(c) Keep gasoline away from rubber or leather parts.
2. DISCHARGE FUEL SYSTEM PRESSURE (*1)
...
Removal
1. Remove no. 2 Air cleaner inlet (see page em-
28)
2. Remove air cleaner cap sub-assembly
(a) Disconnect the 3 vacuum hoses.
(b) Loosen the bolt, disconnect the 2 connectors, and
remove the 2 vacuum hoses.
(c) Remove the 2 bolts, air cleaner cap sub-assembly,
and air cleaner filt ...
