SUPPLEMENTAL RESTRAINT SYSTEMS: STEERING PAD (except G16E-GTS): INSTALLATION; 2023 MY Corolla Corolla Hatchback Corolla HV [09/2022

Last Modified: 05-13-2024	6.11:8.1.0	Doc ID: RM1000000026LJ8
Model Year Start: 2023	Model: Corolla Hatchback	Prod Date Range: [09/2022 - 11/2022]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: STEERING PAD (except G16E-GTS): INSTALLATION; 2023 MY Corolla Corolla Hatchback Corolla HV [09/2022 - 11/2022]

INSTALLATION

PROCEDURE

1. INSTALL HORN BUTTON 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:

for TMC Made:

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

for TMMMS Made:

Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

(1) Engage the wire harness clamp and disconnect the airbag connector as shown in the illustration (for TMC Made).

*a	Wire Harness Clamp
*b	Airbag Connector
	Remove in this Direction

HINT:

Be sure to engage the wire harness clamp until it is locked.

(2) Engage the wire harness clamp and disconnect the airbag connector as shown in the illustration (for TMMMS Made).

*a	Wire Harness Clamp
*b	Airbag Connector
	Remove in this Direction

HINT:

Be sure to engage the wire harness clamp until it is locked.

(d) When reusing a spiral cable sub-assembly or spiral cable with sensor sub-assembly (for TMC Made):

(1) Engage the wire harness clamp.

(2) Connect the 2 airbag connectors to the horn button assembly.

NOTICE:

When connecting any airbag connector, take care not to damage the airbag wire harness.
Be sure to connect the connectors to each corresponding color.

HINT:

Refer to How to Connect or Disconnect Airbag Connector.

Click here

(3) Connect the horn connector to the horn button assembly.

*a	Wire Harness Clamp

(e) When reusing a spiral cable sub-assembly or spiral cable with sensor sub-assembly (for TMMMS Made):

(1) Engage the wire harness clamp.

(2) Connect the 2 airbag connectors to the horn button assembly.

NOTICE:

When connecting any airbag connector, take care not to damage the airbag wire harness.
Be sure to connect the connectors to each corresponding color.

HINT:

Refer to How to Connect or Disconnect Airbag Connector.

Click here

(3) Connect the horn connector to the horn button assembly.

*a	Wire Harness Clamp

(f) Push the horn button assembly to engage the 3 pins carefully and install the horn button assembly.

NOTICE:

Make sure that the pins are securely inserted into the steering wheel assembly holes.
Make sure to engage the 2 upper pins first.
Make sure that the horn button assembly is securely installed.

2. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL

for M20A-FKS: Click here

for 2ZR-FAE: Click here

for 2ZR-FXE: Click here

3. INSPECT HORN BUTTON ASSEMBLY

(a) Make sure that the horn sounds.

If the horn does not sound, inspect the horn system.

Click here

4. PERFORM DIAGNOSTIC SYSTEM CHECK (for TMMMS Made)

Click here

5. INSPECT SRS WARNING LIGHT

for TMC Made: Click here

for TMMMS Made: Click here

6. 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