Horn Button Assy Replacement

Horn Button Assy:

REPLACEMENT

HINT: Installation is in the reverse order of removal.

1. PRECAUTION
Refer to Air Bag Systems; Service Precautions.
2. DISCONNECT BATTERY NEGATIVE TERMINAL

CAUTION: After removing the terminal, wait for at least 90 seconds before starting the operation.

3. REMOVE HORN BUTTON ASSEMBLY




a. Using a torx socket wrench (T30), loosen the 2 torx screws until the groove along the screw circumference catches on the screw case.




b. Pull out the horn button assembly from the steering wheel assembly and support the horn button assembly with one hand as shown in the illustration.

NOTE: When removing the horn button assembly, do not pull the airbag wire harness.

c. Disconnect the horn connector.
d. Disconnect the connectors from the horn button assembly.

NOTE: When handling the airbag connector, take care not to damage the airbag wire harness.

e. Remove the horn button assembly.

4. INSTALL HORN BUTTON ASSEMBLY




a. Support the horn button assembly with one hand as shown in the illustration.
b. Connect the connectors to the horn button assembly.

NOTE: When handling the airbag connector, take care not to damage the airbag wire harness.

c. Connect the horn connector.
d. Confirm that the circumference groove of the torx screw fits in the screw case, and place the horn button assembly onto the steering wheel assembly.
e. Using a torx socket wrench (T30), tighten the 2 torx screws.

Torque: 8.8 N.m (90 kgf.cm, 78 in.lbf)

5. CONNECT BATTERY NEGATIVE TERMINAL
When disconnecting the battery terminal, initialize the following systems after the terminal is reconnected.
- Power window control system
- Sliding roof system

6. INSPECT HORN BUTTON ASSEMBLY




a. With the horn button assembly installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the horn button assembly with a new one:
Cuts, minute cracks or marked discoloration on the horn button assembly top surface or in the grooved portion.
b. Make sure that the horn sounds.

HINT: If the horn does not sound, inspect the horn system

7. INSPECT SRS WARNING LIGHT