Komatsu PC200-8M0 PC200LC-8M0 PC220-8M0 PC240LC-8M0 Shop Manual YEBM202400-00

Data Size: 153.44 MB 
File Type: PDF 
Language: English 
Manufacturer: Komatsu 
Applicable Machine: Excavator 
Document: Shop Manual, Fault Code, Electrical Diagram 
Machine Model: Komatsu PC200-8M0 PC200LC-8M0 PC220-8M0 PC240LC-8M0 Excavator 
Serial Number: PC200- DB99999, PC200LC- DB99999, PC220- DB99999and up, PC240LC- DBBJV001 
Book Number: YEBM202400-00 
Publication Date: 2012 
Page: 1249 Pages

List Contents:

00 Index And Foreword 
100 Index 
Composition Of Shop Manual 
Table Of Contents 
200 Foreword And General Information 
Foreword, Safety And General Information 
How To Read The Shop Manual 
Explanation Of Terms For Maintenance Standard 
Handling Equipment Of Fuel System Devices 
Handling Of Intake System Parts 
Handling Of Hydraulic Equipment 
Method Of Disconnecting And Connectingof Push-Pull Type Coupler 
Handling Of Electrical Equipment 
How To Read Electric Wire Code 
Precautions When Performing Operation 
Practical Use Of Komtrax 
Standard Tightening Torque Table 
List Of Abbreviation 
Conversion Table 
01 Specification 
100 Specification And Technical Data 
Specification Dimension Drawings 
Working Range Diagram 
Specifications 
Weight Table 
Table Of Fuel, Coolant And Lubricants 
10 Structure, Function And Maintenance Standard 
100 Engine And Cooling System 
Engine Related Parts 
Radiator, Oil Cooler, Aftercooler And Fuel Cooler 
200 Power Train 
Power Train 
Final Drive 
Swing Machinery 
Swing Circle 
300 Undercarriage And Frame 
Track Frame And Recoil Spring 
Idler 
Carrier Roller 
Track Roller 
Track Shoe 
401 Hydraulic System, Part 1 
Hydraulic Equipment Layout Drawing 
Hydraulic Tank And Filter 
Hydraulic Pump 
Pilot Oil Filter 
402 Hydraulic System, Part 2 
Control Valve 
Clss 
Functions And Operation By Valve 
403 Hydraulic System, Part 3 
Swing Motor 
Center Swivel Joint 
Travel Motor 
Ppc Valve 
Valve Control 
Solenoid Valve 
Ppc Accumulator 
Return Oil Filter 
Attachment Circuit Selector Valve 
Hydraulic Cylinder 
500 Work Equipment 
Work Equipment 
Dimensions Of Arm 
Dimensions Of Bucket 
600 Electrical System 
Engine Control 
Electrical Control System 
Machine Monitor System 
Sensor 
Komtrax System 
20 Standard Value Table 
100 Standard Service Value Table 
Standard Value Table For Engine Related Parts 
Standard Value Table For Chassis Related Parts 
30 Testing And Adjusting 
101 Testing And Adjusting, Part 1 
Tools For Testing, Adjusting, And Troubleshooting 
Sketch Of Special Tool 
Testing Engine Speed 
Testing Intake Air Pressure (Boost Pressure) 
Testing Exhaust Gas Color 
Adjusting Valve Clearance 
Testing Compression Pressure 
Testing Blow-By Pressure 
Testing Engine Oil Pressure 
Handling Fuel System Parts 
Releasing Residual Pressure From Fuel System 
Testing Fuel Pressure 
Handling Reduced Cylinder Mode Operation 
Handling No-Injection Cranking Operation 
Testing Fuel Delivery, Return And Leak Amount 
Bleeding Air From Fuel Circuit 
Checking Fuel Circuit For Leakage 
Handling Controller High Voltage Circuit 
Checking And Adjusting Air Conditioner Compressor Belt Tension 
Replacing Alternator Belt 
Testing Swing Circle Bearing Clearance 
Checking And Adjusting Track Shoe Tension 
Inspection And Adjustment Oil Pressure In Work Equipment, Swing, And Travel Circuits 
Testing Control Circuit Source Pressure 
Testing And Adjusting Oil Pressure In Pump Pc Control Circuit 
Testing And Adjusting Oil Pressure In Pump Ls Control Circuit 
Testing Solenoid Valve Output Pressure 
Testing Ppc Valve Output Pressure 
Adjusting Play Of Work Equipment And Swing Ppc Valves 
Checking Parts Which Cause Hydraulic Drift Of Work Equipment 
Releasing Residual Pressure From Hydraulic Circuit 
Testing Oil Leakage 
Bleeding Air From Each Part 
Checking Cab Tipping Stopper 
Adjusting Mirrors 
Installation And Adjustment Of Mirrors 
Angle Adjustment Of Rear View Camera 
102 Testing And Adjusting, Part 2 
Special Functions Of Machine Monitor 
103 Testing And Adjusting, Part 3 
Handling Voltage Circuit Of Engine Controller 
Preparation Work For Troubleshooting Of Electrical System 
Procedure For Testing Diodes 
Handling Battery Disconnect Switch 
Pm Clinic Service 
40 Troubleshooting 
100 Failure Code Table And Fuse Locations 
Failure Codes Table 
Fuse Locations 
200 General Information On Troubleshooting 
Symptom And Troubleshooting Numbers 
Sequence Of Events In Troubleshooting 
Checks Before Troubleshooting 
Classification And Procedures For Troubleshooting 
Symptom And Troubleshooting Numbers 
Information In Troubleshooting Table 
Connector List And Layout 
Connection Table For Connector Pin Numbers 
T- Branch Box And T- Branch Adapter Table 
Troubleshooting Method For Open Circuit In Wiring Harness Of Pressure Sensor Syste 
301 Troubleshooting By Failure Code, Part 1 
Failure Code [879aka] A/C Inner Sensor Open Circuit 
Failure Code [879akb] A/C Inner Sensor Short Circuit 
Failure Code [879bka] A/C Outer Sensor Open Circuit 
Failure Code [879bkb] A/C Outer Sensor Short Circuit 
Failure Code [879cka] Ventilating Sensor Open Circuit 
Failure Code [879ckb] Ventilating Sensor Short Circuit 
Failure Code [879dkz] Sunlight Sensor Open Or Short Circuit 
Failure Code [879emc] Ventilation Damper Abnormality 
Failure Code [879fmc] Air Mix Damper Abnormality 
Failure Code [879gkx] Refrigerant Abnormality 
Failure Code [989l00] Engine Controller Lock Caution1 
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 
Failure Code [B@Bazk] Engine Oil Level Low 
Failure Code [B@Bcns] Eng Water Overheat 
Failure Code [B@Bczk] Radiator Coolant Level Low 
Failure Code [B@Hans] Hyd Oil Overheat 
Failure Code [Ca111] Ecm Critical Internal Failure 
Failure Code [Ca115] Eng Ne And Bkup Speed Sens Error 
Failure Code [Ca122] Chg Air Press Sensor High Error 
Failure Code [Ca123] Chg Air Press Sensor Low Error 
Failure Code [Ca131] Throttle Sensor High Error 
Failure Code [Ca132] Throttle Sensor Low Error 
Failure Code [Ca144] Coolant Temp Sens High Error 
Failure Code [Ca145] Coolant Temp Sens Low Error 
Failure Code [Ca153] Chg Air Temp Sensor High Error 
Failure Code [Ca154] Chg Air Temp Sensor Low Error 
Failure Code [Ca155] Chg Air Temp High Speed Derate 
Failure Code [Ca187] Sens Supply 2 Volt Low Error 
Failure Code [Ca221] Ambient Press Sens High Error 
Failure Code [Ca222] Ambient Press Sens Low Error 
Failure Code [Ca227] Sens 2 Supply Volt High Error 
Failure Code [Ca234] Eng Overspeed 
Failure Code [Ca238] Ne Speed Sens Supply Volt Error 
Failure Code [Ca271] Imv/Pcv1 Short Error 
Failure Code [Ca272] Imv/Pcv1 Open Error 
302 Troubleshooting By Failure Code, Part 2 
Failure Code [Ca322] Inj #1(L#1) Open/Short Error 
Failure Code [Ca323] Inj #5(L#5) Open/Short Error 
Failure Code [Ca324] Inj #3(L#3) Open/Short Error 
Failure Code [Ca325] Inj #6(L#6) Open/Short Error 
Failure Code [Ca331] Inj #2(L#2) Open/Short Error 
Failure Code [Ca332] Inj #4(L#4) Open/Short Error 
Failure Code [Ca342] Calibration Code Incompatibility 
Failure Code [Ca351] Injectors Drive Circuit Error 
Failure Code [Ca352] Sens Supply 1 Volt Low Error 
Failure Code [Ca386] Sens Supply 1 Volt High Error 
Failure Code [Ca428] Water In Fuel Sensor High Error 
Failure Code [Ca429] Water In Fuel Sensor Low Error 
Failure Code [Ca435] Eng Oil Press Sw Error 
Failure Code [Ca441] Battery Voltage Low Error 
Failure Code [Ca442] Battery Voltage High Error 
Failure Code [Ca449] Rail Press Very High Error 
Failure Code [Ca451] Rail Press Sensor High Error 
Failure Code [Ca452] Rail Press Sensor Low Error 
Failure Code [Ca488] Chg Air Temp High Torque Derate 
Failure Code [Ca553] Rail Press High Error 
Failure Code [Ca559] Rail Press Low Error 
Failure Code [Ca689] Eng Ne Speed Sensor Error 
Failure Code [Ca731] Eng Bkup Speed Sens Phase Error 
Failure Code [Ca757] All Continuous Data Lost Error 
Failure Code [Ca778] Eng Bkup Speed Sensor Error 
Failure Code [Ca2185] Throt Sens Sup Volt High Error 
Failure Code [Ca2186] Throt Sens Sup Volt Low Error 
Failure Code [Ca2249] Rail Press Very Low Error 
Failure Code [Ca2311] Lmv Solenoid Error 
Failure Code [Ca2555] Grid Htr Relay Open Circuit Error 
Failure Code [Ca2556] Grid Htr Relay Short Circuit Error 
303 Troubleshooting By Failure Code, Part 3 
Failure Code [D110kb] Battery Relay Drive Short Circuit 
Failure Code [D19jkz] Personal Code Relay Abnormality 
Failure Code [D811mc] Komtrax Error 
Failure Code [D862ka] Gps Antenna Open Circuit 
Failure Code [D8aqkr] Can2 Discon (Komtrax) 
Failure Code [Da22kk] Pump Solenoid Power Low Error 
Failure Code [Da25kp] 5v Sensor 1 Power Abnormality 
Failure Code [Da26kp] 5v Sensor 2 Power Abnormality 
Failure Code [Da29kq] Model Selection Abnormality 
Failure Code [Da2qkr] Can2 Discon (Pump Con) 
Failure Code [Daf0mb] Monitor Rom Abnormality 
Failure Code [Daf0mc] Monitor Error 
Failure Code [Daf8kb] Camera Power Supply Short Circuit 
Failure Code [Daf9kq] Model Selection Abnormality 
Failure Code [Dafgmc] Gps Module Error 
Failure Code [Dafqkr] Can2 Discon 
Failure Code [Daz9kq] A/C Model Selection Abnormality 
Failure Code [Dazqkr] Can2 Discon (Aircon Ecu) 
Failure Code [Db2qkr] Can2 Discon (Engine Con) 
Failure Code [Dgh2kb] Hyd Oil Sensor Short Circuit 
Failure Code [Dha4ka] Air Cleaner Clog Sensor Open Circuit 
Failure Code [Dhpama] F Pump Press Sensor Abnormality 
Failure Code [Dhpbma] R Pump Press Sensor Abnormality 
304 Troubleshooting By Failure Code, Part 4 
Failure Code [Dhs3ma] Arm Curl Ppc Press Sensor Abnormality 
Failure Code [Dhs4ma] Bucket Curl Ppc Press Sensor Abnormality 
Failure Code [Dhs8ma] Boom Raise Ppc Press Sensor Abnormality 
Failure Code [Dhs9ma] Boom Lower Ppc Press Sensor Abnormality 
Failure Code [Dhsama] Swing Rh Ppc Press Sensor Abnormality 
Failure Code [Dhsbma] Swing Lh Ppc Press Sensor Abnormality 
Failure Code [Dhscma] Arm Dump Ppc Press Sensor Abnormality 
Failure Code [Dhsdma] Bucket Dump Ppc Press Sensor Abnormality 
Failure Code [Dhsfma] Travel Fw L Ppc Press Sensor Abnormality 
Failure Code [Dhsgma] Travel Fw R Ppc Press Sensor Abnormality 
Failure Code [Dhshma] Travel Bw L Ppc Press Sensor Abnormality 
Failure Code [Dhsjma] Travel Bw R Ppc Press Sensor Abnormality 
Failure Code [Dhx1ma] Overload Sensor Abnormality 
Failure Code [Dr21kx] Camera 2 Picture Rev Drive Abnormality 
Failure Code [Dr31kx] Camera 3 Picture Rev Drive Abnormality 
Failure Code [Dv20kb] Travel Alarm Short Circuit 
Failure Code [Dw43ka] Travel Speed Sol Open Circuit 
Failure Code [Dw43kb] Travel Speed Sol Short Circuit 
Failure Code [Dw45ka] Swing Brake Sol Valve Open Circuit 
Failure Code [Dw45kb] Swing Brake Sol Short Circuit 
Failure Code [Dw91ka] Travel Neutral Sol Open Circuit 
Failure Code [Dw91kb] Travel Neutral Sol Short Circuit 
305 Troubleshooting By Failure Code, Part 5 
Failure Code [Dwa2ka] Attachment Sol Open Circuit 
Failure Code [Dwa2kb] Attachment Sol Short Circuit 
Failure Code [Dwk0ka] 2-Stage Relief Sol Open Circuit 
Failure Code [Dwk0kb] 2-Stage Relief Sol Short Circuit 
Failure Code [Dwk2ka] Variable Back Press Sol Open Circuit 
Failure Code [Dwk2kb] Variable Back Press Sol Short Circuit 
Failure Code [Dxa8ka] Pc-Epc (F) Sol Open Circuit 
Failure Code [Dxa8kb] Pc-Epc (F) Sol Short Circuit 
Failure Code [Dxa9ka] Pc-Epc (R) Sol Open Circuit 
Failure Code [Dxa9kb] Pc-Epc (R) Sol Short Circuit 
Failure Code [Dxe0ka] Ls-Epc Sol Open Circuit 
Failure Code [Dxe0kb] Ls-Epc Sol Short Circuit 
Failure Code [Dxe4ka] Attachment Flow Epc Open Circuit 
Failure Code [Dxe4kb] Attachment Flow Epc Short Circuit 
Failure Code [Dxe5ka] Merge-Divide Main Sol Open Circuit 
Failure Code [Dxe5kb] Merge-Divide Main Sol Short Circuit 
Failure Code [Dxe6ka] Merge-Divide Ls Sol Open Circuit 
Failure Code [Dxe6kb] Merge-Divide Ls Sol Short Circuit 
Failure Code [Dy20ka] Wiper Working Abnormality 
Failure Code [Dy20ma] Wiper Parking Abnormality 
Failure Code [Dy2ckb] Washer Drive Short Circuit 
Failure Code [Dy2dkb] Wiper Drive (Fwd) Short 
Failure Code [Dy2ekb] Wiper Drive (Rev) Short 
400 Troubleshooting Of Electrical System (E-Mode) 
Fuse Locations 
Information Contained In Troubleshooting Table 
E-1 Engine Does Not Start (Engine Does Not Crank) 
E-2 Preheater Does Not Operate 
E-3 When Starting Switch Is Turned To On Position, Machine Monitor Displays Noth 
E-4 When Starting Switch Is Turned To On Position (With Engine Stopped), 
Basic Check Monitor Lights Up 
E-5 Precaution Monitor Lights Up While Engine Is Running 
E-6 Emergency Stop Monitor Lights Up While Engine Is Running 
E-7 Fuel Level Gauge Does Not Indicate Properly 
E-8 Engine Coolant Temperature Gauge Does Not Indicate Properly 
E-9 Hydraulic Oil Temperature Gauge Does Not Indicate Properly 
E-10 Displays On Machine Monitor Are Different From Those For Actual Machine 
E-11 Some Areas Of Machine Monitor Screen Are Not Displayed 
E-12 Function Switch Does Not Operate 
E-13 Automatic Warm-Up System Does Not Operate (In Cold Season) 
E-14 Auto-Decelerator Does Not Operate Properly 
E-15 Working Mode Does Not Change 
E-16 Travel Speed Does Not Change 
E-17 Alarm Buzzer Cannot Be Canceled 
E-18 When Starting Switch Is Turned Off, Service Meter Is Not Displayed 
E-19 Service Mode Cannot Be Selected 
E-20 Any Of Work Equipment, Swing And Travel Do Not Operate Or Cannot Be Locked 
E-21 Swing Holding Brake Does Not Operate Properly 
E-22 One-Touch Power Maximizing Function Does Not Operate Properly 
E-23 Travel Alarm Does Not Sound Or Does Not Stop Sounding 
E-24 Horn Does Not Sound Or Does Not Stop 
E-25 Windshield Wiper And Window Washer Do Not Operate 
E-26 Boom Down Indicator Is Not Displayed Properly With Monitoring Function 
E-27 Arm Dump Indicator Is Not Displayed Properly With Monitoring Function 
E-28 Arm In Indicator Is Not Displayed Properly With Monitoring Function 
E-29 Boom Raise Indicator Is Not Displayed Properly With Monitoring Function 
E-30 Bucket Curl Indicator Is Not Displayed Properly With Monitoring Function 
E-31 Bucket Dump Indicator Is Not Displayed Properly With Monitoring Function 
E-32 Swing Indicator Is Not Displayed Properly With Monitoring Function 
E-33 Travel Indicator Is Not Displayed Properly With Monitoring Function 
E-34 Attachment Indicator Is Not Displayed Properly With Monitoring Function 
E-35 Attachment Hydraulic Circuit Cannot Be Changed 
E-36 Komtrax System Does Not Operate Properly 
500 Troubleshooting Of Hydraulic And Mechanical System (H-Mode) 
System Diagram Of Hydraulic And Mechanical System 
Failure Mode And Cause Table 
Information In Troubleshooting Table 
H-1 Speed Or Power Of Whole Work Equipment, Swing, And Travel Is Low 
H-2 Engine Speed Lowers Significantly Or Engine Stalls 
H-3 Work Equipment, Swing, And Travel Systems Do Not Work 
H-4 Unusual Noise Comes Out From Around Hydraulic Pump 
H-5 Fine Control Performance Or Response Is Low 
H-6 Speed Or Power Of Boom Is Low 
H-7 Speed Or Power Of Arm Is Low 
H-8 Speed Or Power Of Bucket Is Low 
H-9 Work Equipment Does Not Move In Its Single Operation 
H-10 Hydraulic Drift Of Work Equipment Is Large 
H-11 Time Lag Of Work Equipment Is Large 
H-12 Other Work Equipment Moves When One Of Work Equipment Is Relieved 
H-13 One-Touch Power Maximizing Function Does Not Work 
H-14 In Combined Operation Of Work Equipment, 
Equipment Having Heavier Load Moves Slower 
H-15 In Combined Operation Of Swing And Boom Raise, Boom Rising Speed Is 
H-16 Travel Speed Drops Largely In Combined Operation Of Swing And Travel 
H-17 Machine Does Not Travel Straight 
H-18 Travel Speed Is Low 
H-19 Machine Is Hard To Steer Or Travel Power Is Low 
H-20 Travel Speed Does Not Change Or Travel Speed Is Low/High 
H-21 One Of Tracks Does Not Run 
H-22 Upper Structure Does Not Swing 
H-23 Swing Acceleration Is Poor Or Swing Speed Is Low 
H-24 Upper Structure Overruns Remarkably When It Stops Swinging 
H-25 Shock Is Large When Upper Structure Stops Swinging 
H-26 Large Sound Is Made When Upper Structure Stops Swinging 
H-27 Hydraulic Drift Of Swing Is Large 
H-28 Attachment Circuit Cannot Be Changed 
H-29 Oil Flow In Attachment Circuit Cannot Be Controlled 
600 Troubleshooting Of Engine (S-Mode) 
Method Of Using Troubleshooting Chart 
S-1 Startability Is Poor 
S-2 Engine Does Not Start 
S-3 Engine Does Not Pick Up Smoothly 
S-4 Engine Stops During Operation 
S-5 Engine Runs Rough Or Is Unstable 
S-6 Engine Lacks Power 
S-7 Exhaust Smoke Is Black (Incomplete Combustion) 
S-8 Oil Consumption Is Excessive (Or Exhaust Smoke Is Blue) 
S-9 Oil Becomes Contaminated Early 
S-10 Fuel Consumption Is Excessive 
S-11 Oil Is In Coolant (Or Coolant Spurts Or Coolant Level Goes Down) 
S-12 Oil Pressure Drops 
S-13 Oil Level Rises (Coolant Or Fuel In Oil) 
S-14 Coolant Temperature Rises Too High (Overheating) 
S-15 Unusual Noise Is Made 
S-16 Vibration Is Excessive 
50 Disassembly And Assembly 
100 General Information On Disassembly And Assembly 
How To Read This Manual 
Coating Materials List 
Special Tools List 
Sketches Of Special Tools 
200 Engine And Cooling System 
Removal And Installation Of Fuel Supply Pump Assembly 
Removal And Installation Of Fuel Injector Assembly 
Removal And Installation Of Engine Front Oil Seal 
Removal And Installation Of Engine Rear Oil Seal 
Removal And Installation Of Cylinder Head Assembly 
Removal And Installation Of Radiator Assembly 
Removal And Installation Of Hydraulic Oil Cooler Assembly 
Removal And Installation Of Aftercooler Assembly 
Removal And Installation Of Fuel Cooler Assembly 
Removal And Installation Of Engine And Hydraulic Pump Assembly 
300 Power Train 
Removal And Installation Of Final Drive Assembly 
Disassembly And Assembly Of Final Drive Assembly 
Removal And Installation Of Swing Motor And Swing Machinery Assembly 
Disassembly And Assembly Of Swing Motor And Swing Machinery Assembly 
Removal And Installation Of Swing Circle Assembly 
400 Undercarriage And Frame 
Disassembly And Assembly Of Carrier Roller Assembly 
Disassembly And Assembly Of Track Roller Assembly 
Removal And Installation Of Idler And Idler Cushion Assembly 
Disassembly And Assembly Of Idler 
Disassembly And Assembly Of Idler Cushion 
Removal And Installation Of Sprocket 
Separation And Connection Of Track Shoe Assembly 
Removal And Installation Of Revolving Frame Assembly 
Removal And Installation Of Counterweight Assembly 
500 Hydraulic System 
Removal And Installation Of Center Swivel Joint Assembly 
Disassembly And Assembly Of Center Swivel Joint Assembly 
Removal And Installation Of Hydraulic Tank Assembly 
Removal And Installation Of Control Valve Assembly 
Disassembly And Assembly Of Control Valve 
Removal And Installation Of Hydraulic Pump Assembly 
Removal And Installation Of Oil Seal In Hydraulic Pump Input Shaft 
Disassembly And Assembly Of Work Equipment Ppc Valve Assembly 
Disassembly And Assembly Of Travel Ppc Valve 
Disassembly And Assembly Of Work Equipment Cylinder 
600 Work Equipment 
Removal And Installation Of Work Equipment Assembly 
700 Cab And Its Attachments 
Removal And Installation Of Operator's Cab Assembly 
Removal And Installation Of Operator Cab Glass (Stuck Glass) 
Removal And Installation Of Front Window Assembly 
Removal And Installation Of Floor Frame Assembly 
Removal And Installation Of Air Conditioner Unit Assembly 
800 Electrical System 
Removal And Installation Of Machine Monitor Assembly 
Removal And Installation Of Engine Controller Assembly 
Removal And Installation Of Pump Controller Assembly 
Removal And Installation Of Komtrax Terminal Assembly 
80 Appendix 
100 Air Conditioner 
Precautions For Refrigerant 
Air Conditioner Component 
Configuration And Function Of Refrigeration Cycle 
Outline Of Refrigeration Cycle 
Air Conditioner Unit 
Air Conditioner Controller 
Compressor 
Condenser And Modulator 
Sensor 
Procedure For Testing And Troubleshooting 
Circuit Diagram And Arrangement Of Connector Pins 
System Diagram 
Parts And Connectors Layout 
Testing Air Leakage (Duct) 
Testing With Self-Diagnosis Function 
Testing Vent (Mode) Changeover 
Testing Fresh/Recirc Air Changeover 
Testing Sunlight Sensor 
Testing (Dual) Pressure Switch For Refrigerant 
Testing Relays 
Troubleshooting Chart 1 
Troubleshooting Chart 2 
Information In Troubleshooting Table 
Failure Code List Related To Air Conditioner 
Failure Code [879aka] A/C Inner Sensor Open Circuit 
Failure Code [879akb] A/C Inner Sensor Short Circuit 
Failure Code [879bka] A/C Outer Sensor Open Circuit 
Failure Code [879bkb] A/C Outer Sensor Short Circuit 
Failure Code [879cka] Ventilating Sensor Open Circuit 
Failure Code [879ckb] Ventilating Sensor Short Circuit 
Failure Code [879dkz] Sunlight Sensor Open Or Short Circuit 
Failure Code [879emc] Ventilating Damper Abnormality 
Failure Code [879fmc] Air Mix Damper Abnormality 
Failure Code [879gkx] Refrigerant Abnormality 
Troubleshooting For Power Supply And Can Communication System 
(Air Conditioner Does Not Operate) 
Troubleshooting For Compressor And Refrigerant System (Air Is Not Cooled) 
Troubleshooting For Blower Motor System (No Air Comes Out Or Air Flow Is Abnormal) 
Troubleshooting For Fresh/Recirc Air Changeover 
Troubleshooting With Gauge Pressure 
Connection Of Service Tool 
Precautions For Disconnecting And Connecting Air Conditioner Piping 
Handling Of Compressor Oil 
Desiccant Replacement Procedure 
90 Diagrams And Drawings 
100 Hydraulic Diagrams And Drawings 
Symbols In Hydraulic Circuit Diagram 
Hydraulic Circuit Diagram 
200 Electrical Diagrams And Drawings 
Symbols In Electric Circuit Diagram 
Electrical Circuit Diagram