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AV-42 < SYSTEM DESCRIPTION > DIAGNOSIS SYSTEM (AV CONTROL UNIT) DATA MONITOR ALL SIGNALS • Displays the status of the following vehicle signals inputted into the AV control unit. • AV COMM CIRCUIT [U1300] When either one of the following items are ground circuits are malfunctioning. • AV communication circuits between AV control unit and multifunction switch are • Multifunction switch power supply and ground circuits. • AV communication circuits between AV control unit and multifunction switch. • AV COMM CIRCUIT [U1300] When either one of the following items are supply and ground circuits are malfunc- • AV communication circuits between AV control unit and around view monitor • Around view monitor control unit power supply and ground circuits. • AV communication circuits between AV control unit and around view monitor • AV COMM CIRCUIT [U1300] When either one of the following items are ground circuits are malfunctioning. • AV communication circuits between AV control unit and sonar control unit are • Sonar control unit power supply and ground circuits. • AV communication circuits between AV control unit and sonar control unit. • AV COMM CIRCUIT [U1300] AV communication circuits between AV AV communication circuits between AV • AV COMM CIRCUIT [U1300] Error item Description Possible malfunction factor/Action to take Display Item Display Vehicle status Remarks VHCL SPD SIG On Vehicle speed >= 8 km/h (5 MPH) Changes in indication may be delayed. This is Off Vehicle speed < 8 km/h (5 MPH) PKB SIG On Parking brake is applied. Off Parking brake is released. ILLUM SIG On Block the light from the auto light op- — Off Either of the following conditions. sor to light when the lighting switch IGN SIG On Ignition switch is ON Off Ignition switch is in ACC position REV SIG On Selector lever is in R position Changes in indication may be delayed. This is Off Selector lever is in any position other |