1. Check PTT Switch Operation
WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
Check PTT switch operation with self-diagnosis of multifunction switch. Refer to MULTIFUNCTION SWITCH SELF-DIAGNOSIS FUNCTION .
OK or NG
- OK: GO TO 2 .
- NG: Replace steering switch.