Komatsu PC88MR-10 Shop Manual page 491

Hydraulic excavator
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40 Troubleshooting
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Failure code [CA331] Injector #2 (L#2) Open or Short Circuit ............................................... 40-161
Failure code [CA332] Injector #4 (L#4) Open or Short Circuit ............................................... 40-163
Failure code [CA343] Engine Controller Internal Failure....................................................... 40-165
Failure code [CA351] Injectors Drive Circuit Error ............................................................... 40-166
Failure code [CA352] Sensor1 Supply Voltage Low Error..................................................... 40-167
Failure code [CA356] MAF Sensor High Error..................................................................... 40-169
Failure code [CA357] MAF Sensor Low Error ..................................................................... 40-171
Failure code [CA386] Sensor1 Supply Voltage High Error .................................................... 40-173
Failure code [CA435] Engine Oil Pressure SW Error ........................................................... 40-174
Failure code [CA441] Battery Voltage Low Error ................................................................. 40-175
Failure code [CA442] Battery Voltage High Error................................................................. 40-177
Failure code [CA449] Common Rail Pressure High Error 2 .................................................. 40-178
Failure code [CA451] Common Rail Pressure Sensor High Error.......................................... 40-179
Failure code [CA452] Common Rail Pressure Sensor Low Error .......................................... 40-181
Failure code [CA466] KVGT Motor Driver Position Error ...................................................... 40-183
Failure code [CA515] Rail Pressure Sensor Sup Volt High Error........................................... 40-185
Failure code [CA516] Rail Pressure Sensor Sup Volt Low Error............................................ 40-187
Failure code [CA553] Common Rail Pressure High Error 1 .................................................. 40-189
Failure code [CA555] Crankcase Pressure High Error 1 ...................................................... 40-190
Failure code [CA556] Crankcase Pressure High Error 2 ...................................................... 40-191
Failure code [CA559] Common Rail Pressure Low Error 1 ................................................... 40-192
Failure code [CA689] Engine NE Speed Sensor Error ......................................................... 40-195
Failure code [CA691] Intake Air Temperature Sensor High Error .......................................... 40-197
Failure code [CA692] Intake Air Temperature Sensor Low Error ........................................... 40-199
Failure code [CA697] Engine Con Internal Temp Sens High Error......................................... 40-201
Failure code [CA698] Engine Con Internal Temp Sens Low Error ......................................... 40-202
Failure code [CA731] Engine Backup Speed Sensor Phase Error ........................................ 40-203
Failure code [CA778] Engine Backup Speed Sensor Error................................................... 40-205
Failure code [CA1117] Engine Controller Partial Data Lost Error........................................... 40-209
Failure code [CA1695] Sensor 5 Supply Voltage High Error ................................................. 40-210
Failure code [CA1696] Sensor 5 Supply Voltage Low Error .................................................. 40-211
Failure code [CA1843] Crankcase Pressure Sensor High Error ............................................ 40-212
Failure code [CA1844] Crankcase Pressure Sensor Low Error............................................. 40-214
Failure code [CA1896] EGR Valve Stuck Error.................................................................... 40-216
Failure code [CA1942] Crankcase Pressure Sensor In Range Error ..................................... 40-217
Failure code [CA1961] EGR_Motor Driver IC Over Temp Error............................................. 40-218
Failure code [CA2185] Throttle Sensor Supply Voltage High Error........................................ 40-219
Failure code [CA2186] Throttle Sensor Supply Voltage Low Error......................................... 40-221
Failure code [CA2249] Common Rail Pressure Low Error 2 ................................................. 40-223
Failure code [CA2272] EGR Valve Position Sensor Low Error .............................................. 40-224
Failure code [CA2311] IMV Solenoid Error ......................................................................... 40-226
Failure code [CA2349] EGR Valve Solenoid Open Circuit Error ............................................ 40-227
Failure code [CA2353] EGR Valve Solenoid Short Circuit Error ............................................ 40-229
Failure code [CA2357] EGR Valve Servo Error ................................................................... 40-231
Failure code [CA2765] Injector Trim Data Mismatch ............................................................ 40-232
Failure code [CA3419] MAF Sensor Supply Voltage High Error ............................................ 40-233
Failure code [CA3421] MAF Sensor Supply Voltage Low Error............................................. 40-235
Failure code [CA3724] EGR/KVGT Motor Driver Power Low Error........................................ 40-237
Failure code [CA3918] KVGT Stuck Error........................................................................... 40-239
Failure code [CA3919] KVGT Motor Driver IC Over Temp Error ............................................ 40-240
Failure code [CA3921] KVGT Servo Error 2........................................................................ 40-241
Failure code [CA3922] KVGT Motor Driver Open Error ........................................................ 40-242
Failure code [CA3923] KVGT Motor Driver Short Error ........................................................ 40-244
Failure code [D110KB] Battery Relay Output Short Circuit ................................................... 40-246
Failure code [D19JKZ] Personal Code Relay Open or Short ................................................ 40-248
Failure code [D811MC] KOMTRAX Malfunction .................................................................. 40-251
Failure code [D862KA] GPS Antenna Open Circuit ............................................................. 40-252
Failure code [D8ALKA] Operating Lamp Open Circuit (KOMTRAX) ...................................... 40-253
Failure code [D8ALKB] Operating Lamp Short Circuit (KOMTRAX) ...................................... 40-255
PC88MR-10
40-3

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