Toyota Sienna Service Manual: On-vehicle inspection
1. INSPECT CENTER AIRBAG SENSOR ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION)
- Perform a diagnosis system check.
2. INSPECT CENTER AIRBAG SENSOR ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)
- Perform a diagnosis system check.
3. INSPECT CENTER AIRBAG SENSOR ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS DEPLOYED)
- Replace the center airbag sensor assembly.
CAUTION: Be sure to follow the correct removal and installation procedures. HINT: The center airbag sensor assembly should be replaced after any of the airbags has deployed, as it has been subjected to the impact
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:
Front Speed Sensor RH Circuit
DESCRIPTION
The speed sensor detects wheel speed and transmits the appropriate signals to
the ECU. These signals
are used for control of the ABS control system. The front and rear rotors have
48 serrations each.
When the rotors rotate, the magnetic field generated by the permanent magne ...
System description
1. SYSTEM DESCRIPTION
(a) ABS
(Anti-lock Brake System)
The ABS helps prevent wheels from locking when
the brake is applied firmly or when braking on a
slippery surface.
(b) EBD
(Electronic Brake force Distribution)
The EBD control utilizes ABS, realizing proper
brake force distribution betw ...
Warning Buzzer Malfunction
DTC P1575 Warning Buzzer Malfunction
DESCRIPTION
The ABS & traction actuator (skid control ECU) receives an alarm demand
signal from the ECM and
operates the skid control buzzer. The buzzer sounds to warn that the distance
between the vehicle in front
and your own vehicle is decreasing.
...
