Diagnosis Function
WARNING: This page is about a different car, the 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
- It can illuminate all the indicators (LED) in the multifunction switch.
- It can check for continuity of the switches by sounding the buzzer when the multifunction switch is pressed.
- It can check for continuity of harness between multifunction switch and rear control switch (audio), or steering switch (audio).