Toyota Sienna Service Manual: On-vehicle inspection
1. FRONT SEAT SIDE AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnostic system check.
- With the front seat side airbag assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the front seatback assembly with a new one: Cuts, minute cracks or marked discoloration on the front seatback assembly around the front seat side airbag assembly.
2. FRONT SEAT SIDE AIRBAG ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)
- Perform a diagnostic system check.
- With the front seat side airbag assembly removed from the vehicle, perform a visual check. If there are any defects as mentioned below, replace the front seat side airbag assembly with a new one:
- Cuts, minute cracks or marked discoloration on the front seat side airbag assembly.
- Cracks or other damage to the wire harness or connector.
CAUTION: Be sure to follow the correct removal and installation procedures.
Disposal
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
When scrapping a vehicle equipped with the SRS or
disposing of t ...
Other materials:
Rear Air Conditioning Control Panel Circuit
DESCRIPTION
This is the rear A/C system control signal circuit as well as the power
supply circuit of the rear A/C control
assembly.
Pulse signals regarding rear A/C control panel switch operation are transmitted
between the A/C amplifier
and rear A/C control assembly.
WIRING DIAGRAM
...
Inspection
1. INSPECT CHARCOAL CANISTER ASSEMBLY
(a) Visually check the charcoal canister for cracks or
damage.
If cracks or damage are found, replace the charcoal
canister assembly.
(b) Check charcoal canister operation.
(1) With the purge port closed, blow 1.67 kPa (17.0
gf/cm2, 0.24 psi) ...
How to proceed with
troubleshooting
The intelligent tester can be used in steps 4, 6, 8 and 9.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 PASSENGER AIRBAG ON/OFF INDICATOR CHECK
4 DTCs CHECK (Present and Past DTCs)
Check for DTCs.
Result
5 DTCs CHART
6 CIRCUIT INSPECTION
7 REPAIR
8 CLEAR DTCs (Present ...