Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000026LJ3 |
Model Year Start: 2023 |
Model: Corolla Hatchback |
Prod Date Range: [09/2022 - 11/2022] |
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: STEERING PAD (except G16E-GTS): REMOVAL; 2023 MY Corolla Corolla Hatchback Corolla HV [09/2022 - 11/2022] |
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during horn button assembly removal/installation are shown below.
HINT:
When the cable is disconnected / reconnected to the battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.
Items for which learning is completed by driving the vehicle (for HV Model)
Effect/Inoperative Function when Necessary Procedure not Performed
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Necessary Procedures
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Link
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Front Camera System (for TMC Made)
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Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.
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Items for which learning is completed by driving the vehicle (for Gasoline Model)
Effect/Inoperative Function when Necessary Procedure not Performed
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Necessary Procedures
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Link
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Front Camera System (for TMC Made)
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Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.
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Pre-collision System (for TMMMS Made)
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Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.
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Lane Tracing Assist System (for TMMMS Made)
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Lane Departure Alert System (for TMMMS Made)
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Learning completes when vehicle is operated normally (for Gasoline Model)
Effect/Inoperative Function when Necessary Procedure not Performed
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Necessary Procedures
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Link
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Power Door Lock Control System
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Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
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NOTICE:
for HV Model
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After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 3 minutes before disconnecting the cable from the negative (-) auxiliary battery terminal.
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When the cable is disconnected from the negative (-) auxiliary battery terminal and the security lock setting has been enabled, multi-display operations will be disabled upon next startup unless the password is entered. Be sure to check the security lock setting before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for Single Knob Type))
for Gasoline Model
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After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 3 minutes before disconnecting the cable from the negative (-) auxiliary battery terminal.
-
When the cable is disconnected from the negative (-) auxiliary battery terminal and the security lock setting has been enabled, multi-display operations will be disabled upon next startup unless the password is entered. Be sure to check the security lock setting before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for Single Knob Type))
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing.
for TMC Made: Click here
for TMMMS Made: Click here
NOTICE:
After turning the ignition switch (for Gasoline Model) or power switch (for HV Model) off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
2. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
for M20A-FKS: Click here
for 2ZR-FAE: Click here
for 2ZR-FXE: Click here
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.
3. REMOVE HORN BUTTON ASSEMBLY
CAUTION:
When storing the horn button assembly, keep the airbag deployment side facing upward.
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Deployment Side
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(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.
(c) for TMC Made:
*a
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Torsion Spring
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Push in this Direction
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(1) Using a screwdriver, push in the 3 torsion springs to disengage the 3 pins as shown in the illustration.
NOTICE:
Lightly hold the horn button assembly so that it does not fall.
HINT:
Insert the screwdriver from each service hole.
(d) for TMMMS Made:
*a
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Torsion Spring
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Push in this Direction
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(1) Using a screwdriver, push in the 3 torsion springs to disengage the 3 pins as shown in the illustration.
NOTICE:
Lightly hold the horn button assembly so that it does not fall.
HINT:
Insert the screwdriver from each service hole.
(e) Pull out the horn button assembly from the steering wheel assembly and hold the horn button assembly with one hand.
NOTICE:
When separating the horn button assembly, do not pull the airbag wire harness.
(f) for TMC Made:
(1) Disconnect the horn connector from the horn button assembly.
*a
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Protective Tape
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*b
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Wire Harness Clamp
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Release in this Direction
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Remove in this Direction
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(2) Disconnect the 2 airbag connectors.
NOTICE:
When disconnecting any airbag connector, take care not to damage the airbag wire harness.
HINT:
Refer to How to Connect or Disconnect Airbag Connector.
Click here
(3) Using a screwdriver with its tip wrapped with protective tape, release the lock and remove the wire harness clamp to remove the horn button assembly.
(g) for TMMMS Made:
(1) Disconnect the horn connector from the horn button assembly.
*a
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Protective Tape
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*b
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Wire Harness Clamp
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Release in this Direction
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Remove in this Direction
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(2) Disconnect the 2 airbag connectors.
NOTICE:
When disconnecting any airbag connector, take care not to damage the airbag wire harness.
HINT:
Refer to How to Connect or Disconnect Airbag Connector.
Click here
(3) Using a screwdriver with its tip wrapped with protective tape, release the lock and remove the wire harness clamp to remove the horn button assembly.
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