Toyota Sienna Service Manual: Installation
HINT:
- Use the same procedures for the RH side and LH side.
- The procedures listed below are for the LH side.
1. INSTALL FRONT AIRBAG SENSOR LH
- Check that the ignition switch is off.
- Check that the battery negative (-) terminal is
disconnected.
CAUTION: After disconnecting the negative battery terminal, wait for at least 90 seconds before starting the operation.
- Install the front airbag sensor LH with the 2 bolts.
Torque: 12.5 N*m (127 kgf*cm, 9 ft.*lbf)
NOTICE:
- If the front airbag sensor LH has been dropped, or there are any cracks, dents or other defects in the case or connector, replace it with a new one.
- When installing the front airbag sensor LH, be careful that the SRS wiring does not interfere with other parts and that it is not pinched between other parts.
- Connect the connector to the front airbag sensor LH.
- Check that there is no looseness in the installation parts of the front airbag sensor LH.
2. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
3. PERFORM INITIALIZATION
- Perform initialization.
HINT: Some systems need initialization when disconnecting the cable from the negative battery terminal.
4. INSPECT SRS WARNING LIGHT
- Inspect the SRS warning ligh
Removal
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1. PRECAUTION
CAUTION: Be sure to read "PRECAUTION" thorough ...
Side airbag sensor
COMPONENTS
...
Other materials:
Diagnosis system
1. CHECK DLC3
The ECU uses ISO 15765-4 for communication.
The terminal arrangement of the DLC3 complies
with SAE J1962 and meets the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
operate the ignition s ...
Center Airbag Sensor Assembly Communication
Circuit Malfunction
DTC B1790 Center Airbag Sensor Assembly Communication
Circuit Malfunction
DESCRIPTION
The center airbag sensor assembly communication circuit consists of the
occupant classification ECU and
the center airbag sensor assembly.
DTC B1790 is recorded when a malfunction is detected in the center ...
Short to GND in Driver Side Squib 2nd Step Circuit
DTC B1182/19 Short to GND in Driver Side Squib 2nd Step Circuit
DESCRIPTION
The driver side squib 2nd step circuit consists of the center airbag sensor
assembly, the spiral cable and
the steering pad.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1182/19 ...
