CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the horn button assembly removal/installation are shown below.
| Replacement Part or Procedure | Necessary Procedures | Effects / Inoperative when not performed | Link |
|---|---|---|---|
| Disconnect cable from negative auxiliary battery terminal | Memorize steering angle neutral point | Lane departure alert system (w/ Steering Control) | |
| Intelligent clearance sonar system*1 | |||
| Simple intelligent parking assist system*1 | |||
| Pre-crash safety system | |||
| Adaptive high beam system | |||
| Parking assist monitor system | |||
| Initialize back door lock | Power door lock control system |
PROCEDURE
PRECAUTION
Note
After turning the power switch 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.
DISCONNECT CABLE FROM 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.
Note
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
REMOVE HORN BUTTON ASSEMBLY
CAUTION:
When storing the horn button assembly, keep the airbag deployment side facing upward.
|
Deployment Side |
Check that the power switch is off.
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.
Turn the steering wheel assembly 90° to the left.
|
Masking Tape |
| *a | 55 mm (2.17 in.) |
| *b | 95 mm (3.74 in.) |
Wrap masking tape around a 6 mm hexagon wrench as shown in the illustration.
Tech Tips
Use a 6 mm hexagon wrench with a long arm length of approximately 95 mm (3.74 in.).
|
Masking Tape |
| *a | Housing Tab |
| *b | Omega Spring |
Insert the 6 mm hexagon wrench into the service hole until the masking tape is at the position shown in the illustration.
Tech Tips
Make sure to insert the 6 mm hexagon wrench into the service hole on the backside of the steering wheel assembly.
| *a | Housing Tab |
| *b | Omega Spring |
Using the 6 mm hexagon wrench, push down the housing tab to disengage the hook as shown in the illustration.
Tech Tips
Pushing down the housing tab will push the omega spring and disengage it from the hook.
Turn the steering wheel assembly 180° to the right.
|
Masking Tape |
| *a | Housing Tab |
| *b | Omega Spring |
Insert the 6 mm hexagon wrench into the service hole until the masking tape is at the position shown in the illustration.
Tech Tips
Make sure to insert the 6 mm hexagon wrench into the service hole on the backside of the steering wheel assembly.
| *a | Housing Tab |
| *b | Omega Spring |
Using the 6 mm hexagon wrench, push down the housing tab to disengage the hook as shown in the illustration.
Note
Lightly hold the horn button assembly so that it does not fall.
Tech Tips
Pushing down the housing tab will push the omega spring and disengage it from the hook.
| *a | Spring |
Check that each hook is disengaged.
Tech Tips
If a hook is disengaged, the spring will be visible at the location shown in the illustration.
Turn the steering wheel assembly 90° to the right.
| *a | Housing Tab |
| *b | Hook |
Using a 6 mm hexagon wrench, push the housing tab to disengage the hook as shown in the illustration.
Note
Lightly hold the horn button assembly so that it does not fall.
Tech Tips
Insert the 6 mm hexagon wrench into the service hole until it contacts the hook and then push down the housing tab while pushing it toward the rear of the vehicle.
Pushing down the housing tab will disengage it from the hook.
Turn the steering wheel assembly 180° to the left to align the front wheels facing straight ahead.
Note
Do not drop the horn button assembly.
Pull out the horn button assembly from the steering wheel assembly and hold the horn button assembly with one hand.
Note
When separating the horn button assembly, do not pull the airbag wire harness.
| *a | Airbag Connector |
| *b | Horn Connector |
| *c | Airbag Connector Lock |
| *d | Protective Tape |
| *e | Wire Harness Clamp |
Disconnect the horn connector from the horn button assembly.
Using a screwdriver with its tip wrapped with protective tape, release the 2 airbag connector locks.
Disconnect the 2 airbag connectors.
Disengage the wire harness clamp to remove the horn button assembly
Note
When disconnecting any airbag connector, take care not to damage the airbag wire harness.