Component Inspection
WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
Measure the resistance between the steering switch connector terminals 14 to 17 and 15 to 17.
Standard
Between terminals 14 and 17
"HANDSFREE/PHONE" switch ON: 716 - 730 Ω
MENU DOWN switch ON: 318 - 324 Ω
MENU UP switch ON: 120 - 122 Ω
SOURCE switch ON: 0 Ω
Between terminals 15 and 17
"END CALL" switch ON: 318 - 324 Ω
VOL UP switch ON: 120 - 122 Ω
VOL DOWN switch ON: 0 Ω