CAUTION / NOTICE / HINT
Tech Tips
Use the same procedure for RHD and LHD vehicles.
The following procedure is for LHD vehicles.
PROCEDURE
INSTALL HORN BUTTON ASSEMBLY
Check that the ignition switch off.
Check that the cable is disconnected from the negative (-) battery terminal.
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
for Single Type:
| *a | Airbag Connector |
| *b | Horn Connector |
| *c | Airbag Connector Lock |
| *d | Wire Harness Clamp |
Engage the wire harness clamp.
Connect the airbag connector to the horn button assembly.
Note
When connecting any airbag connector, take care not to damage the airbag wire harness.
Push in the airbag connector lock to install the airbag connector.
Note
Securely lock the airbag connector lock.
Connect the horn connector to the horn button assembly.
for Dual Type:
| *a | Airbag Connector |
| *b | Horn Connector |
| *c | Airbag Connector Lock |
| *d | Wire Harness Clamp |
Engage the wire harness clamp.
Connect the 2 airbag connectors to the horn button assembly.
Note
When connecting any airbag connector, take care not to damage the airbag wire harness.
Be sure to connect the connectors to each corresponding color.
Push in the 2 airbag connector locks to install the 2 airbag connectors.
Note
Securely lock the airbag connector lock.
Connect the horn connector to the horn button assembly.
Push the horn button assembly to engage the hooks carefully and install the horn button assembly.
Note
Make sure that the hooks are securely engaged to the omega springs.
Make sure to engage the upper hooks first.
Make sure that the horn button assembly is securely installed.
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
for 8NR-FTS:
for 3ZR-FAE:
Note
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
INSPECT HORN BUTTON ASSEMBLY
Make sure that the horn sounds.
If the horn does not sound, inspect the horn system.
PERFORM DIAGNOSTIC SYSTEM CHECK
INSPECT SRS WARNING LIGHT