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Komatsu D155AX-7 Shop Manual page 7

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Preparation for troubleshooting of electrical system............................................................... 40-35
Classification and procedures for troubleshooting ................................................................. 40-40
Symptom and troubleshooting numbers ............................................................................... 40-42
Information in troubleshooting table ..................................................................................... 40-45
Connector list and layout .................................................................................................... 40-47
Connector contact identification........................................................................................... 40-61
T-branch box and T-branch adapter table ........................................................................... 40-100
Fuse location table ........................................................................................................... 40-105
Precautions for KDPF (KCSF and KDOC) Cleaning and Replacement ................................. 40-109
Preparation of dummy temperature sensor (for KDOC and KDPF temperature
sensors)............................................................................................................. 40-112
Preparation of short circuit electrical connector (for failure codes [CA1883] and
[CA3135]) .......................................................................................................... 40-113
Failure codes table........................................................................................................... 40-114
Troubleshooting by failure code (Display of code) ...................................................................... 40-128
Failure code [1500L0] Transmission clutch: Abnormal ......................................................... 40-128
Failure code [15SAL1] Forward clutch: Fill High .................................................................. 40-129
Failure code [15SALH] Forward clutch: Fill Low .................................................................. 40-131
Failure code [15SBL1] Reverse clutch: Fill High.................................................................. 40-133
Failure code [15SBLH] Reverse clutch: Fill Low .................................................................. 40-135
Failure code [15SEL1] Speed 1st clutch: Fill High ............................................................... 40-137
Failure code [15SELH] Speed 1st clutch: Fill Low ............................................................... 40-139
Failure code [15SFL1] Speed 2nd clutch: Fill High .............................................................. 40-141
Failure code [15SFLH] Speed 2nd clutch: Fill Low .............................................................. 40-143
Failure code [15SGL1] Speed 3rd clutch: Fill High............................................................... 40-145
Failure code [15SGLH] Speed 3rd clutch: Fill Low............................................................... 40-147
Failure code [15SJL1] L/U: Fill High ................................................................................... 40-149
Failure code [15SJLH] L/U: Fill Low ................................................................................... 40-151
Failure code [1800MW] P/T clutch:Slip ............................................................................... 40-153
Failure code [2300NR] Brake Thermal Load Abnormality..................................................... 40-154
Failure code [2301L1] Right brake: Fill High ....................................................................... 40-155
Failure code [2301LH] Right brake: Fill low......................................................................... 40-157
Failure code [2302L1] Left brake: Fill High.......................................................................... 40-159
Failure code [2302LH] Left brake: Fill low ........................................................................... 40-161
Failure code [879AKA] A/C Inner Sensor Open Circuit ........................................................ 40-163
Failure code [879AKB] A/C Inner Sensor Short Circuit......................................................... 40-164
Failure code [879BKA] A/C Outer Sensor Open Circuit........................................................ 40-165
Failure code [879BKB] A/C Outer Sensor Short Circuit ........................................................ 40-166
Failure code [879CKA] Ventilating Sensor Open Circuit ....................................................... 40-167
Failure code [879CKB] Ventilating Sensor Short Circuit ....................................................... 40-168
Failure code [879DKZ] Sunlight Sensor Open Or Short Circuit ............................................. 40-169
Failure code [879EMC] Ventilation Damper Abnormality ...................................................... 40-170
Failure code [879FMC] Air Mix Damper Abnormality ........................................................... 40-171
Failure code [879GKX] Refrigerant Abnormality .................................................................. 40-172
Failure code [989L00] Engine Controller Lock Caution 1...................................................... 40-173
Failure code [989M00] Engine Controller Lock Caution 2..................................................... 40-174
Failure code [989N00] Engine Controller Lock Caution 3 ..................................................... 40-175
Failure code [A1U0N3] HC Desorb Request 1 .................................................................... 40-176
Failure code [A1U0N4] HC Desorb Request 2 .................................................................... 40-178
Failure code [AA10NX] Air Cleaner Clogging ...................................................................... 40-180
Failure code [AB00KE] Charge Voltage Low....................................................................... 40-182
Failure code [B@BAZG] Eng Oil Press Low ....................................................................... 40-183
Failure code [B@BCNS] Eng Water Overheat .................................................................... 40-184
Failure code [B@BCZK] Eng Water Level Low ................................................................... 40-185
Failure code [B@CENS] P/L Oil Overheat .......................................................................... 40-187
Failure code [B@HANS] Hyd Oil Overheat ......................................................................... 40-188
Failure code [CA115] Eng Ne and Bkup Speed Sens Error .................................................. 40-189
Failure code [CA122] Chg Air Press Sensor High Error ....................................................... 40-190
Failure code [CA123] Chg Air Press Sensor Low Error ........................................................ 40-192
D155AX-7
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00 Index and foreword
Index
00-5

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