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:
How to proceed with troubleshooting
The intelligent tester can be used at steps 3, 7, 10, and 13.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
(a) Interview the customer to confirm the trouble.
3 DTC CHECK/CLEAR AND FREEZE FRAME DATA
4 PROBLEM SYMPTOM CONFIRMATION
5 PROBLEM SYMPTOM SIMULATION
6 SYMPTOM SI ...
Sensor signal check by test mode (signal check) (when using sst check wire)
(a) When having replaced the skid control ECU and/or
yaw rate and deceleration sensor, perform zero
point calibration of the yaw rate and deceleration
sensor.
HINT:
If the ignition switch is turned from the ON
position to the ACC or off during test mode
(signal check), DTCs of the signal ...
Inspection
1. INSPECT OIL PUMP RELIEF VALVE
(a) Coat the relief valve with engine oil and check that it
falls smoothly into the valve hole under its own
weight.
If the valve does not fall smoothly, replace the relief
valve. If necessary, replace the oil pump assembly.
2. INSPECT OIL PUMP ROTOR SET
...
