PREVOST H3-41 Maintenance Manual page 166

SECTION 06: ELECTRICAL
6.3 SPARE DL0 (BBUS MUX) ............................................................................................................................... 34
7. TROUBLESHOOTING ..................................................................................................................................... 34
7.1 PROBING VOLTAGE ON THE MULTIPLEX CIRCUITS ...................................................................................... 34
7.2 DL0 (BBUS MUX) NETWORK LAYOUT AND TROUBLESHOOTING ................................................................. 35
7.3 MULTIPLEX TROUBLESHOOTING TABLE ...................................................................................................... 40
7.4 ELECTRICAL SYSTEM DIAGNOSTIC THROUGH THE DID ................................................................................ 47
8. ELECTRICAL COMPARTMENTS ...................................................................................................................... 48
8.1 X3 SERIES MAIN POWER COMPARTMENT (RJB) .......................................................................................... 50
8.2 X3 SERIES FRONT ELECTRICAL AND SERVICE COMPARTMENT (FJB)............................................................ 52
8.3 H3 SERIES MAIN POWER COMPARTMENT (RJB).......................................................................................... 54
8.3.1 H3 Series Vehicle Electrical Center Rear (VECR) ................................................................................... 55
8.4 H3 SERIES FRONT ELECTRICAL AND SERVICE COMPARTMENT (FJB) ........................................................... 55
8.4.1 H3 Series Vehicle Electrical Center Front (VECF) .................................................................................. 56
8.5 A/C MODULE ................................................................................................................................................ 56
8.6 ENGINE REAR START PANEL ......................................................................................................................... 57
8.7 ENTRANCE DOOR & WIPER CONTROL MODULES ........................................................................................ 57
8.8 OVERHEAD COMPARTMENT MODULE ........................................................................................................ 58
9. BATTERIES .................................................................................................................................................... 58
9.1 BATTERY INSTALLATION X3 SERIES .............................................................................................................. 58
9.2 BATTERY INSTALLATION H3 SERIES.............................................................................................................. 60
9.3 AGM BATTERIES ........................................................................................................................................... 61
9.4 BATTERY DISCHARGE PROTECTION ............................................................................................................. 61
9.5 MAIN ELECTRICAL SHUT-OFF SWITCH ......................................................................................................... 61
9.6 BATTERY REMOVAL AND INSTALLATION - X3 SERIES .................................................................................. 62
9.7 AGM BATTERY RATING ................................................................................................................................ 65
9.8 BATTERY TESTING ........................................................................................................................................ 65
9.8.1 Visual Inspection .................................................................................................................................. 65
9.8.2 Removing Surface Charge .................................................................................................................... 65
9.8.3 Load Test .............................................................................................................................................. 65
9.9 BATTERY CHARGING .................................................................................................................................... 66
9.9.1 Emergency Jump Starting With Auxiliary (Booster) Battery. ............................................................... 68
9.10 AGM BATTERY CHARGING PRECAUTIONS ................................................................................................... 69
9.11 BATTERY EQUALIZATION AND AGM BATTERIES .......................................................................................... 69
9.12 CLEANING AND INSPECTION ........................................................................................................................ 69
9.13 COMMON CAUSES OF BATTERY FAILURE .................................................................................................... 70
9.14 TROUBLESHOOTING..................................................................................................................................... 70
9.15 "BATTERY VOLTAGE WARNING" PICTOGRAM ............................................................................................. 70
9.15.1 Voltage Gauge Definitions ................................................................................................................... 70
9.15.2 BATTERY warning Pictogram MAY appear as a reminder ................................................................... 71
10. BATTERY EQUALIZER ................................................................................................................................ 71
11. SUPERCAPACITOR STARTING MODULE (OPTION) ..................................................................................... 71
11.1 STARTING THE VEHICLE WITH DEPLETED BATTERIES. ................................................................................. 71
11.2 STARTING MODULE STATUS LED ................................................................................................................. 72
11.3 TROUBLESHOOTING..................................................................................................................................... 72
11.4 MAINTENANCE ............................................................................................................................................ 72
11.5 HANDLING AND STORAGE ........................................................................................................................... 72
12. PRIME ENERGY MANAGEMENT SYSTEM................................................................................................... 73
2 PA1621 Maintenance Manual All Series | Revised Sept 2019