1. Remove the horn switch. 
2. Check the resistance between horn switch terminal and airbag module bracket.
|
(1) |
Horn switch terminal |
|
(2) |
Airbag module bracket |
|
Switch position |
Terminal No. |
Standard |
|
The airbag module bracket being pushed |
Horn switch terminal and airbag module bracket |
Less than 1 Ω |
|
The airbag module bracket being separated |
1 MΩ or more |
3. Replace the driver’s airbag module if the inspection result is not within the standard value.