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AV DIAGNOSIS SYSTEM (AV CONTROL UNIT) AV-307 < SYSTEM DESCRIPTION > [BOSE AUDIO WITH NAVIGATION] C D E F G H I J K L M B A O P DATA MONITOR Display Item List A/C AND AV SWITCH ASSEMBLY INFOID:0000000006709616 A/C and AV switch assembly self-diagnosis function Description The ON/OFF operation (continuity) of each switch in the A/C and AV switch assembly can be checked. Self-diagnosis mode GPS COMM [U1204] GPS malfunction is detected An intermittent error caused by strong radio GPS ROM [U1205] GPS RAM [U1206] GPS RTC [U1207] FRONT DISP CONN [U1243] • Display unit power supply and ground circuit malfunction is detected • Malfunction is detected on communica- tion circuit between display unit and AV • Malfunction is detected on communica- tion signal between display unit and AV • Display unit power supply and ground circuit • Communication circuit between display unit and AV control unit GPS ANTENNA CONN [U1244] GPS antenna connection malfunction is de- GPS antenna XM ANTENNA CONN [U1258] Poor connection is detected in satellite ra- Satellite radio antenna • AV COMM CIRCUIT [U1300] • Multifunction switch power supply and ground circuit malfunction is detected • A malfunction is detected in AV commu- nication circuit between AV control unit • A malfunction is detected in AV commu- nication signal between AV control unit • Multifunction switch power supply and ground circuits • AV communication circuit between AV control unit and multifunction switch Error item Description Possible malfunction factor/Action to take Display item [unit] ALL SIGNALS SELECTION FROM MENU Description VHCL SPD SIG [ON/OFF] X X Displays “ON” when vehicle speed > 0 km/h. Displays “OFF” when ve- PKB SIG [ON/OFF] X X Displays [ON/OFF] condition of parking brake switch. ILLUM SIG [ON/OFF] X X Displays [ON/OFF] condition of lighting switch. IGN SIG [ON/OFF] X X Displays [ON/OFF] condition of ignition switch. REV SIG [ON/OFF] X X Displays [ON/OFF] condition of back-up lamp switch. 2011 Pathfinder |