Komatsu 70001 Shop Manual page 8

SEN02225-15
Adjusting play of work equipment and swing PPC valves........................................................... 50
Inspecting locations of hydraulic drift of work equipment ............................................................ 51
Release of residual pressure from hydraulic circuit..................................................................... 53
Testing oil leakage....................................................................................................................... 54
Bleeding air from various parts.................................................................................................... 57
Testing and adjusting, Part 2
Special functions of machine monitor..........................................................................................
Testing and adjusting, Part 3
Handling voltage circuit of engine controller................................................................................
Preparation work for troubleshooting of electrical system...........................................................
Procedure for testing diodes .......................................................................................................
Pm Clinic service.........................................................................................................................
Undercarriage troubleshooting report.......................................................................................... 16
40 Troubleshooting
Failure code table and fuse locations
Failure codes table ......................................................................................................................
Fuse locations .............................................................................................................................
General information on troubleshooting
Points to remember when troubleshooting..................................................................................
Sequence of events in troubleshooting .......................................................................................
Checks before troubleshooting....................................................................................................
Classification and procedures for troubleshooting ......................................................................
Information contained in troubleshooting table............................................................................
Phenomena looking like troubles and troubleshooting Nos. .......................................................
Connection table for connector pin numbers............................................................................... 10
T- branch box and T- branch adapter table ................................................................................. 46
Troubleshooting by failure code (Display of code), Part 1
Failure code [989L00] Engine Controller Lock Caution 1............................................................
Failure code [989M00] Engine Controller Lock Caution2............................................................
Failure code [989N00] Engine Controller Lock Caution3 ............................................................
Failure code [AA10NX] Air cleaner Clogging ..............................................................................
Failure code [AB00KE] Charge Voltage Low...............................................................................
Failure code [B@BAZG] Eng Oil Press. Low .............................................................................. 10
Failure code [B@BAZK] Eng Oil Level Low ................................................................................ 12
Failure code [B@BCNS] Eng. Water Overheat........................................................................... 14
Failure code [B@BCZK] Eng Water Level Low........................................................................... 16
Failure code [B@HANS] Hydr Oil Overheat................................................................................ 18
Failure code [CA111] ECM Critical Internal Failure ..................................................................... 19
Failure code [CA115] Eng Ne and Bkup Speed Sens Error ........................................................ 21
Failure code [CA122] Chg Air Press Sensor High Error.............................................................. 22
Failure code [CA123] Chg Air Press Sensor Low Error .............................................................. 24
Failure code [CA131] Throttle Sensor High Error........................................................................ 26
Failure code [CA132] Throttle Sensor Low Error ........................................................................ 28
Failure code [CA135] Eng Oil Press Sensor High Error.............................................................. 30
Failure code [CA141] Eng Oil Press Sensor Low Error............................................................... 32
Failure code [CA141] Eng Oil Press Sensor Low Error............................................................... 33
Failure code [CA145] Coolant Temp Sens Low Error.................................................................. 35
Failure code [CA153] Chg Air Temp Sensor High Error .............................................................. 37
Failure code [CA154] Chg Air Temp Sensor Low Error............................................................... 39
Failure code [CA187] Sens Supply 2 Volt Low Error................................................................... 41
Failure code [CA221] Ambient Press Sens High Error................................................................ 43
Failure code [CA222] Ambient Press Sens Low Error ................................................................ 45
Failure code [CA227] Sens Supply 2 Volt High Error .................................................................. 47
Failure code [CA234] Eng Overspeed......................................................................................... 48
Failure code [CA238] Ne Speed Sens Supply Volt Error............................................................. 49
Failure code [CA263] Fuel Temp Sensor High Error ................................................................... 50
6
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00 Index and foreword
SEN02645-06
2
SEN02662-02
2
3
8
9
SEN02646-03
2
5
SEN02647-03
2
3
4
5
6
8
SEN02648-04
3
4
5
6
8
PC400, 450-8