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Komatsu PC170LC-11 Shop Manual page 7

Hydraulic excavator

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00 INDEX AND FOREWORD
GENERAL TROUBLESHOOTING POINTS ................................................................................... 40-17
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM.......................................................... 40-18
SEQUENCE OF EVENTS IN TROUBLESHOOTING..................................................................... 40-30
CHECKS BEFORE TROUBLESHOOTING .................................................................................... 40-32
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING ..................................................... 40-34
TESTING IN ACCORDANCE WITH TESTING PROCEDURE....................................................... 40-36
PREPARATION FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM..................................... 40-59
PROCEDURE FOR TESTING AND TROUBLESHOOTING .......................................................... 40-64
SYMPTOMS OF FAILURE AND TROUBLESHOOTING NUMBERS ............................................. 40-67
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE.................................................... 40-71
TROUBLESHOOTING METHOD FOR OPEN CIRCUIT IN WIRING HARNESS OF PRESSURE SEN-
SOR SYSTEM............................................................................................................................ 40-73
CONNECTOR LIST AND LAYOUT ................................................................................................ 40-76
CONNECTOR CONTACT IDENTIFICATION ................................................................................. 40-88
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE ..................................................................40-128
FUSE LOCATION TABLE .............................................................................................................40-134
PRECAUTIONS FOR REPLACING KDOC ...................................................................................40-137
PREPARATION OF SHORT CIRCUIT ELECTRICAL CONNECTOR (FOR FAILURE CODES [CA1883]
AND [CA3135])..........................................................................................................................40-138
FAILURE CODES TABLE .............................................................................................................40-140
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) .....................................................40-156
FAILURE CODE [879AKA]............................................................................................................40-156
FAILURE CODE [879AKB]............................................................................................................40-157
FAILURE CODE [879BKA]............................................................................................................40-158
FAILURE CODE [879BKB]............................................................................................................40-160
FAILURE CODE [879CKA]............................................................................................................40-162
FAILURE CODE [879CKB]............................................................................................................40-163
FAILURE CODE [879DKZ]............................................................................................................40-164
FAILURE CODE [879EMC] ...........................................................................................................40-166
FAILURE CODE [879FMC] ...........................................................................................................40-167
FAILURE CODE [879GKX] ...........................................................................................................40-168
FAILURE CODE [989L00] .............................................................................................................40-170
FAILURE CODE [989M00] ............................................................................................................40-171
FAILURE CODE [989N00] ............................................................................................................40-172
FAILURE CODE [A1U0N3] ...........................................................................................................40-173
FAILURE CODE [A1U0N4] ...........................................................................................................40-175
FAILURE CODE [A900FR]............................................................................................................40-177
FAILURE CODE [A900N6] ............................................................................................................40-178
FAILURE CODE [A900NY]............................................................................................................40-179
FAILURE CODE [AA10NX] ...........................................................................................................40-180
FAILURE CODE [AB00KE] ...........................................................................................................40-182
FAILURE CODE [AQ10MB] ..........................................................................................................40-185
FAILURE CODE [AQ10N3] ...........................................................................................................40-187
FAILURE CODE [AS00N3]............................................................................................................40-189
FAILURE CODE [AS00R2]............................................................................................................40-191
FAILURE CODE [AS00R3]............................................................................................................40-192
FAILURE CODE [AS00R4]............................................................................................................40-193
FAILURE CODE [AS00R5]............................................................................................................40-194
FAILURE CODE [AS00R6]............................................................................................................40-195
FAILURE CODE [AS00ZK]............................................................................................................40-196
FAILURE CODE [AS10KM]...........................................................................................................40-197
FAILURE CODE [AS10NR] ...........................................................................................................40-198
FAILURE CODE [AS10NT] ...........................................................................................................40-200
FAILURE CODE [B@BAZG] .........................................................................................................40-201
FAILURE CODE [B@BAZK]..........................................................................................................40-202
FAILURE CODE [B@BCNS] .........................................................................................................40-204
FAILURE CODE [B@BCZK] .........................................................................................................40-205
FAILURE CODE [B@HANS] .........................................................................................................40-207
PC170LC-11
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INDEX
00-5

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