Komatsu D65EX-15E0, D65PX-15E0, D65WX-15E0 — TABLE OF CONTENTS

00 Index and foreword SEN00055-02 Inspection procedure of diode ................................................................................................. 9 Pm-Clinic service..................................................................................................................... 10 How to start operation of KOMTRAX terminal......................................................................... 20 Lamp display of KOMTRAX terminal.......................................................................................

24 40 Troubleshooting General information on troubleshooting SEN00588-00 Points to remember when troubleshooting .............................................................................. 2 How to proceed troubleshooting.............................................................................................. 3 Checks before troubleshooting................................................................................................ 4 Classification and procedures of troubleshooting.................................................................... 5 How to distinguish wire code...................................................................................................

8 Wiring table for connector pin numbers................................................................................... 12 T-adapter box and T-adapter table .......................................................................................... 35 Troubleshooting by failure code (Display of code), Part 1 SEN00589-00 Troubleshooting by failure code (Display of code), Part 1........................................................... 3 Failure code table ....................................................................................................................

3 Before troubleshooting by failure codes .................................................................................. 10 Contents of troubleshooting table............................................................................................ 12 Failure code [1500L0] Transmission clutch: Dual engagement............................................... 14 Failure code [15SAL1] Forward clutch: Fill signal is ON when command current is OFF ....... 16 Failure code [15SALH] Forward clutch: Fill signal is OFF when command current is ON ...... 18 Failure code [15SBL1] Reverse clutch: Fill signal is ON when command current is OFF....... 20 Failure code [15SBLH] Reverse clutch:

Fill signal is OFF when command current is ON ...... 22 Failure code [15SEL1] 1st clutch: Fill signal is ON when command current is OFF ............... 24 Failure code [15SELH] 1st clutch: Fill signal is OFF when command current is ON............... 25 Failure code [15SFL1] 2nd clutch: Fill signal is ON when command current is OFF .............. 26 Failure code [15SFLH] 2nd clutch: Fill signal is OFF when command current is ON.............. 28 Failure code [15SGL1] 3rd clutch: Fill signal is ON when command current is OFF............... 30 Failure code [15SGLH] 3rd clutch: Fill signal is OFF when command current is ON .............. 32 Failure code [AB00MA] Alternator:

Malfunction....................................................................... 34 Failure code [B@BAZG] Engine oil: Oil pressure too low ....................................................... 34 Failure code [B@BCNS] Radiator coolant: Overheat.............................................................. 35 Failure code [B@CENS] Power train oil: Overheat ................................................................. 35 Failure code [B@HANS] Hydraulic oil: Overheat .................................................................... 36 Failure code [CA111] Engine controller: Abnormality in controller...........................................

37 Failure code [CA115] Abnormal engine Ne and Bkup speed sensors: Abnormal speed sensor signal.................................................................. 37 Failure code [CA122] Charge pressure sensor tool high: Excessively high voltage detected. 38 Failure code [CA123] Charge pressure sensor too low: Excessively low voltage detected .... 40 Failure code [CA131] Decelerator pedal sensor tool high: Excessively high voltage detected 42 Failure code [CA132] Decelerator pedal sensor too low: Excessively low voltage detected... 44 Failure code [CA144] Coolant temperature sensor too high: Excessively high voltage detected ............................................................

46 Failure code [CA145] Coolant temperature sensor too low: Excessively low voltage detected 48 Failure code [CA153] Charge temperature sensor too high: Excessively high voltage detected ............................................................ 50 Failure code [CA154] Charge temperature sensor too low: Excessively low voltage detected 52 Failure code [CA155] Charge temperature too high and engine speed derated: Exceeded upper control limit of temperature ............................................ 54 Failure code [CA187] Sensor power source 2 too low: Excessively low voltage detected...... 56 Failure code [CA221] Atmospheric pressure sensor too high:

Excessivley high voltage detected ............................................................ 58 Failure code [CA222] Atmospheric pressure sensor too low: Excessively low voltage detected ............................................................. 60 Failure code [CA227] Sensor power source No. 2 too high: Excessively high voltage detected ............................................................ 62 D65EX, PX, WX-15E0 7