Measure the resistance between rear fog light switch terminals. 
Connect terminal No. 4 to battery positive terminal and terminal No. 3 to battery ground terminal, and measure the rear fog light relay resistance between terminals.
|
Continuity |
Terminal No. |
Standard |
|
Yes |
1 and 2 |
Less than 1 Ω |
|
None |
1 MΩ or more |