Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001GWZE |
Model Year Start: 2020 |
Model: Corolla Hatchback |
Prod Date Range: [01/2019 - 03/2019] |
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: STEERING PAD (except G16E-GTS): REMOVAL; 2020 MY Corolla Corolla Hatchback Corolla HV [01/2019 - 03/2019] |
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.
Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)
Replaced Part or Performed Procedure
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Necessary Procedure
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Effect/Inoperative Function when Necessary Procedure not Performed
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Link
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Disconnect cable from negative auxiliary battery terminal
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Perform steering sensor zero point calibration
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Lane Control System
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Pre-collision System
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Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model)
Replaced Part or Performed Procedure
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Necessary Procedure
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Effect/Inoperative Function when Necessary Procedure not Performed
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Link
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Disconnect cable from negative auxiliary battery terminal
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Perform steering sensor zero point calibration
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Lane Control System
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Pre-collision System
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Lighting System (w/ AFS)(EXT)
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Initialize back door lock*1
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Power Door Lock Control System
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NOTICE:
for HV Model:
-
After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for HV Model))
for Gasoline Model:
-
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 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Audio and Visual System (for Gasoline Model))
-
After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System)
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing.
for HV Model: Click here
for Gasoline Model: 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:
Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
Click here
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:
Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
(c) Using a screwdriver, push in the 3 torsion springs to disengage the 3 pins as shown in the illustration.
*a
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Torsion Spring
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Push in this Direction
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NOTICE:
Lightly hold the horn button assembly so that it does not fall.
HINT:
Insert the screwdriver from each service hole.
(d) 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.
(e) Disconnect the horn connector from the horn button assembly.
*a
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Airbag Connector
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*b
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Horn Connector
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*c
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Airbag Connector Locking Button
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*d
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Protective Tape
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*e
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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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(f) Using a screwdriver with its tip wrapped with protective tape, release the 2 airbag connector locking buttons.
(g) Disconnect the 2 airbag connectors.
NOTICE:
When disconnecting any airbag connector, take care not to damage the airbag wire harness.
(h) 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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