Komatsu PC88MR-10 Shop Manual page 6

00 Index and foreword
Index
Testing PPC valve outlet pressure ....................................................................................... 30-56
Adjusting play of work equipment and swing PPC valves....................................................... 30-57
Isolating the parts causing hydraulic drift in work equipment................................................... 30-58
Testing and adjusting travel deviation................................................................................... 30-59
Testing oil leakage ............................................................................................................. 30-61
Bleeding air from hydraulic circuit ........................................................................................ 30-65
Cab and its attachments ............................................................................................................ 30-68
Testing, cleaning and lubricating slide door rail and roller ....................................................... 30-68
Adjusting mirrors ................................................................................................................ 30-69
Testing and adjusting hood catcher...................................................................................... 30-71
Electrical system ...................................................................................................................... 30-73
Special functions of machine monitor ................................................................................... 30-73
KOMTRAX terminal start-up procedure .............................................................................. 30-121
Adjusting rearview camera angle ....................................................................................... 30-125
Handling voltage circuit of engine controller........................................................................ 30-127
Handling battery disconnect switch .................................................................................... 30-128
Testing diodes ................................................................................................................. 30-129
Pm clinic ................................................................................................................................ 30-130
Pm Clinic service ............................................................................................................. 30-130
40 Troubleshooting............................................................................................................................ 40-1
Table of contents ........................................................................................................................ 40-2
Related information on troubleshooting......................................................................................... 40-8
Troubleshooting points ......................................................................................................... 40-8
Sequence of events in troubleshooting................................................................................. 40-10
Checks before troubleshooting ............................................................................................ 40-12
Inspection procedure before troubleshooting ........................................................................ 40-14
Preparation for troubleshooting of electrical system............................................................... 40-31
Classification and procedures for troubleshooting ................................................................. 40-36
Symptom and troubleshooting numbers ............................................................................... 40-39
Information in troubleshooting table ..................................................................................... 40-42
Troubleshooting method for open circuit in wiring harness of pressure sensor system .............. 40-44
Connector list and layout .................................................................................................... 40-46
Connector contact identification........................................................................................... 40-55
T-branch box and T-branch adapter table ............................................................................. 40-94
Fuse location table ............................................................................................................. 40-99
Failure codes table........................................................................................................... 40-101
Troubleshooting by failure code (Display of code) ...................................................................... 40-108
Failure code [879AKA] A/C Recirc Air Temp Sens Open Circuit............................................ 40-108
Failure code [879AKB] A/C Recirc Air Temp Sens Short ...................................................... 40-109
Failure code [879BKA] A/C Fresh Air Temp Sens Open Circuit............................................. 40-110
Failure code [879BKB] A/C Fresh Air Temp Sens Short Circuit ..............................................40-111
Failure code [879CKA] Ventilating Sensor Open Circuit ....................................................... 40-112
Failure code [879CKB] Ventilating Sensor Short Circuit ....................................................... 40-113
Failure code [879DKZ] Sunlight Sensor Open or Short Circuit .............................................. 40-114
Failure code [879EMC] Ventilation Damper Malfunction ...................................................... 40-115
Failure code [879FMC] Air Mix Damper Malfunction ............................................................ 40-116
Failure code [879GKX] Refrigerant Press Input Sig Out of Range......................................... 40-117
Failure code [989L00] Engine Controller Lock Caution 1...................................................... 40-118
Failure code [989M00] Engine Controller Lock Caution 2..................................................... 40-119
Failure code [989N00] Engine Controller Lock Caution 3 ..................................................... 40-120
Failure code [A900FR] Abrupt Engine Stop by Auto Idle Stop 3............................................ 40-121
Failure code [A900N6] Abrupt Engine Stop by Auto Idle Stop 1 ............................................ 40-122
Failure code [A900NY] Abrupt Engine Stop by Auto Idle Stop 2............................................ 40-123
Failure code [AB00KE] Charge Voltage Low....................................................................... 40-124
Failure code [B@BAZG] Eng Oil Press Low ....................................................................... 40-126
Failure code [B@BCNS] Eng Water Overheat .................................................................... 40-127
Failure code [CA115] Eng Ne and Bkup Speed Sens Error .................................................. 40-128
Failure code [CA122] Charge Air Pressure Sensor High Error .............................................. 40-129
Failure code [CA123] Charge Air Pressure Sensor Low Error............................................... 40-131
00-4 PC88MR-10