Toyota Yaris: Center Airbag Sensor Assembly / Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
- After replacing the airbag sensor assembly, make sure to perform ECU configuration.
- After performing the ECU configuration procedure, make sure to perform the initialization procedure for when the cable has been disconnected and reconnected to the negative (-) auxiliary battery terminal.
PROCEDURE
1. INSTALL AIRBAG SENSOR ASSEMBLY
(a) Check that the ignition switch is off.
(b) Check that the cable is disconnected from the negative (-) auxiliary battery terminal.
CAUTION:
- Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
- If the airbag deploys for any reason, it may cause a serious accident.
| (c) temporarily install the airbag sensor assembly with the 3 bolts. |
|
(d) Install the 3 bolts in the order shown in the illustration.
Torque:
17.5 N·m {178 kgf·cm, 13 ft·lbf}
NOTICE:
- If the airbag sensor assembly 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 airbag sensor assembly, make sure that the SRS wiring does not interfere with or is not pinched between other parts.
- When the ignition switch is first turned ON after the airbag sensor assembly has been replaced, make sure that no one is in the vehicle.
| (e) Check that there is no looseness in the installed parts of the airbag sensor assembly. |
|
(f) Connect the 2 connectors and push in the lock lever to lock the 2 connectors.
 | Push in the Lock Lever |
NOTICE:
When connecting any airbag connector, take care not to damage the airbag wire harness.
2. CONNECT FRONT FLOOR CARPET ASSEMBLY
(a) Engage the hooks to connect the front floor carpet assembly as shown in the illustration.
(b) Install the 2 clips.
 | Connect in this Direction | - | - |
3. INSTALL REAR CONSOLE BOX ASSEMBLY
Click here
4. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL
Click here
5. UPDATE ECU SECURITY KEY
Click here
6. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL
HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
Click here
7. PERFORM DIAGNOSTIC SYSTEM CHECK
Click here
8. INSPECT SRS WARNING LIGHT
Click here
9. ZERO POINT CALIBRATION
(a) When the airbag sensor assembly is replaced, perform zero point calibration.
Click here
10. ECU DATA INITIALIZATION
Click here
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the airbag sensor assembly removal/installation are shown below...
Other information:
Toyota Yaris XP210 (2020-2025) Owner's Manual: Installation on rear outboard seats
First, adjust the front seat to allow clearance between the child-restraint system and the front seat. Make sure the seatback is securely latched by pushing it back until it is fully locked. Expand the open seams on the rear of the seat bottom slightly to verify the locations of the LATCH lower anchors...
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Zero Point Calibration of Steering Angle Sensor Not Acquired (X20D8)
DESCRIPTION Code Tester Display Measurement Item Trouble Area RoB Output from X20D8 Zero Point Calibration of Steering Angle Sensor Not Acquired History of being unable to obtain the steering angle zero point Sensor installation Yaw rate and acceleration sensor (airbag sensor assembly) Brake CAUTION / NOTICE / HINT NOTICE: This Vehicle Control History (RoB) may be output during situations when the steering angle sensor zero point calibration temporarily cannot be acquired, such as when the stop light is stuck ON...
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Key Suspend Function
If a key is left in the vehicle, the functions of the key left in the vehicle are temporarily suspended to prevent theft of the vehicle.
To restore the functions, press the unlock button on the functions-suspended key in the vehicle.
