Horn Button Assembly Replacement
Horn Button Assy (4 Spoke Steering Wheel):
Horn Button Assy (3-Spoke Steering Wheel):
REPLACEMENT
HINT:
- Installation is in the reverse order of removal.
- There are two types of horn button assembly:
One is used with 3-spoke steering wheel assembly and the other is used with 4-spoke steering wheel assembly.
1. PRECAUTION
Observe 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 STEERING WHEEL COVER LOWER NO.2
a. Using a screwdriver, remove the steering wheel cover lower No.2.
HINT: Tape up the screwdriver tip before use.
4. REMOVE STEERING WHEEL COVER LOWER NO.3
a. Using a screwdriver, remove the steering wheel cover lower No.3.
HINT: Tape up the screwdriver tip before use.
5. REMOVE HORN BUTTON ASSEMBLY
a. Place the front wheels facing straight ahead.
b. Using a torx(R) socket wrench (T30), loosen the 2 torx(R) screws until the groove along the screw circumference catches on the screw case.
c. 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.
d. Disconnect the horn connector.
e. Disconnect the connector from the horn button assembly.
NOTE: When handling the airbag connector, take care not to damage the airbag wire harness.
f. Remove the horn button assembly.
6. INSTALL HORN BUTTON ASSEMBLY
a. Support the horn button assembly with one hand as shown in the illustration.
b. Connect the connector 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(R) screw fits in the screw case, and place the horn button assembly onto the steering wheel assembly.
e. Using a torx(R) socket wrench (T30), tighten the 2 torx(R) screws.
Torque: 8.8 N.m (90 kgf.cm, 78 in.lbf)
7. CONNECT BATTERY NEGATIVE TERMINAL
8. 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
9. INSPECT SRS WARNING LIGHT