Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT FRONT PASSENGER AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.
- With the front passenger airbag assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the instrument panel with a new one: Cuts, minute cracks or marked discoloration on the instrument panel around the front passenger airbag assembly.
2. INSPECT FRONT PASSENGER AIRBAG ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)
- Perform a diagnostic system check.
- With the front passenger airbag assembly removed from the vehicle, perform a visual check. If there are any defects as mentioned below, replace the front passenger airbag assembly, instrument panel or instrument panel reinforcement with a new one:
- Cuts, minute cracks or marked discoloration on the front passenger airbag assembly.
- Cracks or other damage to the connectors.
- Deformation or cracks on the instrument panel or instrument panel reinforcement.
HINT: There should be no interference between the instrument panel and the front passenger airbag assembly.
CAUTION: Be sure to follow the correct removal and installation procedures.
Front passenger airbag assembly
COMPONENTS
...
Removal
1. PRECAUTION
CAUTION: Be sure to read "PRECAUTION" thoroughly before
servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
CAUTION:
Wait for 90 seconds after disconnecting th ...
Other materials:
Headlight Relay Circuit
DESCRIPTION
The Multiplex network body ECU controls HEAD relay when signal is received
from headlight dimmer
switch assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
Turn the ignition switch ON and ...
Removal
1. REMOVE INSTRUMENT CLUSTER CENTER NO. 1 FINISH PANEL
2. REMOVE INSTRUMENT CLUSTER CENTER NO. 2
FINISH PANEL
3. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY
4. REMOVE POSITION INDICATOR HOUSING ASSEMBLY
5. REMOVE INSTRUMENT CLUSTER CENTER LOWER FINISH PANEL SUB-ASSEMBLY
6. REMOVE POWER POINT SOCKET A ...
Engine
GENERAL MAINTENANCE
HINT:
Inspect these items when the engine is cold.
1. INSPECT DRIVE BELT
HINT:
(See page EM-6)
2. REPLACE SPARK PLUGS
HINT:
(See page IG-8)
3. INSPECT AIR FILTER
(a) Remove the air filter.
(b) Visually check that the air filter is not excessively
damaged or oily ...
