AV COMM Diagnosis

Displays the communication status between audio unit (master unit) and each unit.
The error counter displays "OK" if any malfunction was not detected in the past and displays "0" if a malfunction is detected. It increases by 1 if the condition is normal at the next ignition switch ON cycle. The upper limit of the counter is 39.
If it resets, the error counter is erased.

Fig 1: Screen Display - AV COMM Diagnosis
Courtesy of NISSAN MOTOR CO., U.S.A.

ITEM STATUS CHART

Items	Status (Current)	Counter (Past)
C Rx(BTHF-ITM)	OK/UNKWN	OK/0 - 39