SUPPLEMENTAL RESTRAINT SYSTEMS: CENTER AIRBAG SENSOR ASSEMBLY: INSTALLATION; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022

Last Modified: 07-31-2024	6.11:8.1.0	Doc ID: RM1000000028FYU
Model Year Start: 2023	Model: GR Corolla	Prod Date Range: [11/2022 - ]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: CENTER AIRBAG SENSOR ASSEMBLY: INSTALLATION; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 - ]

INSTALLATION

CAUTION / NOTICE / HINT

NOTICE:

After replacing the airbag sensor assembly, make sure to perform ECU Configuration, Update ECU Security Key, Write VIN/Vehicle Identification Number, and Switching Specification Information.
After performing the ECU configuration procedure and update ECU security key 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 (for Gasoline Model) or power switch (for HV Model) is off.

(b) Check that the cable is disconnected from the negative (-) auxiliary battery terminal.

CAUTION:

Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

(c) Make sure to check the type of bolt before installation as it will vary depending on the case type of the airbag sensor assembly.

*A	for Resin Case
*B	for Aluminum Case
*a	10 mm (0.394 in.)
*b	12 mm (0.472 in.)

(d) Install the airbag sensor assembly with the 3 bolts.

Torque:

17.5 N·m {178 kgf·cm, 13 ft·lbf}

NOTICE:

Temporarily tighten the 2 bolts in the order of (A), (B) and then fully tighten the 3 bolts in the order of (C), (A) and (B).
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 (for Gasoline Model) or power switch (for HV Model) is first turned to on (IG) after the airbag sensor assembly has been replaced, make sure that no one is in the vehicle.

(e) Temporarily connect the connector and then move the lock lever in the direction indicated by the arrow to securely connect the connectors.

NOTICE:

When connecting any airbag connector, take care not to damage the airbag wire harness.

*a	Lock Lever
	Move in this Direction

(f) Check that there is no looseness in the installed parts of the airbag sensor assembly.

2. INSTALL FRONT NO. 1 CONSOLE BOX INSERT

for G16E-GTS: Click here

except G16E-GTS: Click here

3. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

for G16E-GTS: Click here

except G16E-GTS: Click here

4. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL

for M20A-FKS: Click here

for 2ZR-FXE: Click here

for G16E-GTS: Click here

5. ECU CONFIGURATION

Click here

6. UPDATE ECU SECURITY KEY

Click here

7. WRITE VIN/VEHICLE IDENTIFICATION NUMBER

Click here

8. SWITCHING SPECIFICATION INFORMATION

Click here

9. INSTALL DECK BOARD ASSEMBLY (for G16E-GTS)

Click here

10. INSPECT SRS WARNING LIGHT

Click here

11. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL

HINT:

When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.

Click here

12. PERFORM INITIALIZATION

for Electronically Controlled Brake System (for Gasoline Model with Electric Parking Brake System): Click here

for Electronically Controlled Brake System (for Gasoline Model without Electric Parking Brake System): Click here

for Electronically Controlled Brake System (for HV Model): Click here

for Active Torque Split AWD System: Click here

for Occupant Classification System (for TMC Made): Click here

for Occupant Classification System (for TMMMS Made): Click here