DTC    P323B    Backup Boost Converter

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING INTELLIGENT TESTER (STATE OF BBC)

REPLACE BACKUP BOOST CONVERTER

CONFIRM DTC (P323B IS NOT OUTPUT)

CHECK BATTERY (BATTERY CONDITION)

CHECK CONNECTOR (BACKUP BOOST CONVERTER CONNECTOR CONDITION)

INSPECT FUSE (BBC FUSE)

CHECK HARNESS AND CONNECTOR (ENGINE STOP AND START ECU - BACKUP BOOST CONVERTER)

CHECK HARNESS AND CONNECTOR (BACKUP BOOST CONVERTER - ENGINE ROOM RELAY BLOCK)