Toyota Sienna Service Manual: On-vehicle inspection

Toyota Sienna Service Manual / Supplemental restraint system / Front passenger airbag assembly / On-vehicle inspection

1. INSPECT FRONT PASSENGER AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)

INSPECT FRONT PASSENGER AIRBAG ASSEMBLY

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)

INSPECT FRONT PASSENGER AIRBAG ASSEMBLY

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:

No. 2 Clearance Warning Buzzer Circuit
DESCRIPTION The clearance warning ECU receives the ultrasonic sensor signal to sound the rear warning buzzer. WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - AIR CONDITIONER AMPLIFIER) Disconnect the connectors from the clearance warning ...

Removal
1. REMOVE ENGINE AND TRANSAXLE HINT: (See page EM-26) 2. REMOVE AUTOMATIC TRANSMISSION WITH TRANSFER HINT: (See page AX-164) 3. REMOVE TRANSFER ASSEMBLY HINT: (See page TF-8) 4. REMOVE CTR DIFFERENTIAL LOCK SLEEVE HINT: (See page TF-13) 5. REMOVE TRANSFER CASE OIL SEAL (a) Using SS ...

Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION This circuit is necessary for the ASL (Auto Sound Leveliser) built into the radio receiver. Speed signals are received from the combination meter and used for the ASL. The ASL function automatically adjusts the sound data in order to enable hearing the clear audio sound even ...