Mazda 626 - Troubleshooting (Keyless Entry System)

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TROUBLESHOOTING [KEYLESS ENTRY SYSTEM]

FOREWORD

• Go to troubleshooting after identifying the specific malfunction by doing a keyless entry system preliminary

inspection.

Flowchart

S-34

Main Page

Vehicle Identification Numbers (VIN)4
Related Materials5
General Information6
Troubleshooting Procedure Chart7
How to Use this Manual8
Using the DTC Troubleshooting Flow9
Using the Diagnosis Index10
Quick Diagnosis Chart11
Using the Symptom Troubleshooting12
Electrical System, Abbreviations13
Precautions before Welding13
Scheduled Maintenance Table14
Engine (FP, FS, FS (Hi-Power))19
Engine Outline20
Engine Features20
Engine Specifications20
Engine Mechanism21
Cylinder Head21
Fuel and Emission Control Systems (FP, FS, FS (Hi-Power))22
Fuel and Emission Control System Outline/Specificatons24
Control System Wiring Diagram - with Immobilizer System25
Control System Wiring Diagram - Without Immobilizer System28
Control System Outline31
Control Devices and Control Relationship Chart32
Idle Air Control (IAC) Description33
Pressure Regulator Control (PRC) Description (Except for GF4A-EL Models)33
EGR Control Description (Except for GF4A-EL Model)33
A/C Cut-Off Control Description (Except for GF4A-EL Models)34
Cut-Off Control Description Without A/C35
On-Board Diagnostic36
Pid/Data Monitor Table39
Simulation Test/Simulation Item Table40
Engine Tune-Up - Preparation41
Ignition Timing Inspection42
Idle Speed Adjustment43
Idle Speed Inspection44
Idle Mixture Inspection44
Fuel System45
Fuel Tank Inspection45
Fuel Pump Relay Removal/Installation45
Control System46
PCM Inspection46
Main Relay Removal/Installation50
Control System On-Board Diagnostic51
Using the Self-Diagnosis Checker53
Pid/Data Monitor and Record Procedure54
Playback of Stored Pids Procedure54
Diagnostic Support Procedure55
Sumulation Test Procedure - Idling Test56
After Repair Procedure57
DTC Table58
DTC P0102 (Except for GF4A-EL Models)/Diagnostic Procedure62
DTC P0103 (Except for GF4A-EL Models)/Diagnostic Procedure64
DTC P0112 (Except for GF4A-EL Models)/Diagnostic Procedure66
DTC P0113 (Except for GF4A-EL Models)/Diagnostic Procedure68
DTC P0117 (Except for GF4A-EL Models)/Diagnostic Procedure70
DTC P0118 (Except for GF4A-EL Models)/Diagnostic Procedure72
DTC P0122 (Except for GF4A-EL Models)/Diagnostic Procedure74
DTC P0123 (Except for GF4A-EL Models)/Diagnostic Procedure76
DTC P0134 (Except for GF4A-EL Models)/Diagnostic Procedure78
DTC P0135 (Except for GF4A-EL Models)/Diagnostic Procedure80
DTC P0328 (Except for GF4A-EL Models)/Diagnostic Procedure82
DTC P0335 (Except for GF4A-EL Models)/Diagnostic Procedure83
DTC P0443 (Except for GF4A-EL Models)/Diagnostic Procedure85
DTC P1170 (Except for GF4A-EL Models)/Diagnostic Procedure87
DTC P1250 (Except for GF4A-EL Models)/Diagnostic Procedure89
DTC P1345 (Except for GF4A-EL Models)/Diagnostic Procedure91
DTC P1496 (Except for GF4A-EL Models)/Diagnostic Procedure93
DTC P1497 (Except for GF4A-EL Models)/Diagnostic Procedure95
DTC P1498 (Except for GF4A-EL Models)/Diagnostic Procedure97
DTC P1499 (Except for GF4A-EL Models)/Diagnostic Procedure99
DTC P1504 (Except for GF4A-EL Models)/Diagnostic Procedure101
DTC P1562 (Except for GF4A-EL Models)/Diagnostic Procedure103
DTC P1602 (Except for GF4A-EL Models)/Diagnostic Procedure105
DTC P1603 (Except for GF4A-EL Models)/Diagnostic Procedure108
DTC P1608 (Except for GF4A-EL Models)/Diagnostic Procedure109
DTC P1621 (Except for GF4A-EL Models)/Diagnostic Procedure110
DTC P1622 (Except for GF4A-EL Models)/Diagnostic Procedure110
DTC P1623 (Except for GF4A-EL Models)/Diagnostic Procedure111
DTC P1624 (Except for GF4A-EL Models)/Diagnostic Procedure111
DTC P1627 (Except for GF4A-EL Models)/Diagnostic Procedure112
DTC P1631 (Except for GF4A-EL Models)/Diagnostic Procedure114
DTC P1633 (Except for GF4A-EL Models)/Diagnostic Procedure116
DTC P1634 (Except for GF4A-EL Models)/Diagnostic Procedure118
Fuel and Emission Control Systems Troubleshooting120
Melting of Main or Other Fuses126
Will Not Crank127
Hard to Start/Long Crank/Erratic Start/Erratic Crank128
Engine Stalls - after Start/At Idle130
Cranks Normally but will Not Start134
Slow Return to Idle137
Engine Runs Rough/Rolling Idle138
Fast Idle/Runs on141
Low Idle/Stalls During Deceleration141
Engine Stalls/Quits, Engine Runs Rough, Misses, Buck/Jerk, Hesitation/Stumble, Surges142
Lack/Loss of Power - Acceleration/Cruise146
Knocking/Pinging - Acceleration/Cruise148
Poor Fuel Economy150
Emission Compliance152
High Oil Consumption/Leakage153
Cooling System Concerns - Overheating154
Cooling System Concerns - Runs Cold155
Exhaust Smoke156
Fuel Odor (in Engine Compartment)158
Engine Noise159
Vibration Concerns (Engine)159
A/C Doesn Not Work Sufficiently160
A/C Is Always on or A/C Compressor Runs Cuntinuously160
A/C Does Not Cut off under Wide Open Throttle Conditions161
Exhaust Sulphur Smell162
Intermittent Concerns163
Constant Voltage163
Spark Plug Condition165
Finding Unusial Signals/Locating the Source of Unusual Signals168
Variable Resistance Type 1/2168
Investigate Th Input Signal System/Gnd System168
Investigate the Standard Power Supply System168
Investigate the Input Signal System/Electrical Supply System169
Thermistor Type (Intake Air Temperature (IAT) and Engine Coolant Temperature (ECT) Sensors)169
Investigate the GND System169
Engine System Inspection170
Vehicle Speed Sensor (VSS)170
Idle Air Control (IAC) Inspection/Engine Coolant Temperature (ECT) Compensation Inspection170
Load Compensation Inspection170
Pressure Regulator Control Inspection171
Fuel Cut Control Inspection172
Fuel Pump Operation Inspection (Except for GF4A-EL Models)172
Fuel Pump Control Inspection173
Ignition Timing Control Inspection173
EGR Control Inspection173
Purge Control Inspection174
A/C Cut-Off Control Inspection for Sedan and Wagon MTX174
Cooling Fan Control Inspection/Operation (Except for GF4A-EL Models)/For GF4A-El Models175
Fuel and Emission Control Systems (RF Turbo)177
Fuel and Emission Control Systems (RF Turbo) Outline/Features178
Fuel and Emission Control Systems (RF Turbo) Specifications178
Fuel and Emission Control Systems (RF Turbo) Wiring Diagram179
Control System Outline/Input Parts181
Control System Output Parts182
Control System: Component Location Diagrams183
Accelerator Position Sensor185
Fuel and Emission Control Systems (RF Turbo) On-Board Diagnostic System/Dtc Table186
DTC and User's Warning Display (Glow Indicator Light) Table189
Pid/Data Monitor and Record190
Supplemental Service Information, Intake-Air System191
Accelerator Pedal Disassembly/Assembly191
Accelerator Position Sensor Adjustment192
Idle Switch Adjustment192
Fully Open Stopper Adjustment192
PCM Inspection Using SST (NGS Tester)194
PID Monitor Table194
Not Using the Ssts (NGS Tester) at Constant Voltage Terminal Inspection196
Not Using the Ssts (NGS Tester) at GND Terminal Inspection196
Idle Switch Inspection197
Accelerator Position Sensor Inspection197
Not Using the Ssts (NGS Tester) at Power Supply Terminal Inspection197
PCM - Short Cord (Including Short Cord) Inspection198
Circuit Open/Short Inspection198
Short Cord - Accelerator Position Sensor Inspection198
On-Board Diagnostic System199
DTC Inspection/Dtc Table199
DTC Troubleshooting199
Idle Switch Malfunction200
Engine Electrical System201
Engine Electrical System Outline/Features/Specifications202
Supplemental Service Information, Charging System203
Generator Inspection203
Manual Transaxle204
Manual Transaxle Outline/Specifications205
Automatic Transaxle (GF4A-EL)206
Automatic Transaxle (GF4A-EL) Outline/Specifications207
Automatic Transaxle (FN4A-EL)208
Automatic Transaxle (FN4A-EL) Outline/Features/Specifications210
Automatic Transaxle Cross-Sectional View211
Automatic Transaxle Outline of Operation212
EC-AT Operation Chart213
Powerflow214
Component Description215
Electronic Control System216
Electronic Control System Block Diagram217
Electronic Control Items and Contents218
Component Description (Electronic Control)218
Input/Output Signals and Related Controls219
Electronic Control: On-Board Diagnostic System/Block Diagram220
DTC Comparison Lists221
Failure Detection Function222
Memory Function225
Fail-Safe Function225
Parameter Identification (PID) Access/Monitor Item Table226
Simulation Test Table227
Diagnostic Support Procedure Table227
Automatic Transaxle: Mechanical System Test228
Line Pressure Test228
Evaluation of Line Pressure Test229
Evaluation of Stall Test229
Time Lag Test230
Road Test231
D Range Test232
Shift Point Table233
S Range Test/Shift Point Table234
Automatic Transaxle Fluid (ATF) Inspection235
ATF Condition Inspection235
ATF Level Inspection236
Automatic Transaxle Fluid (ATF) Replacement236
Hold Switch Inspection236
Hold Switch Removal/Installation237
Transaxle Range (TR) Switch Inspection237
Transaxle Range (TR) Switch Removal/Installation238
Transaxle Range (TR) Switch Adjustment240
Transaxle Fluid Temperature (TFT) Sensor Inspection241
Transaxle Fluid Temperature (TFT) Sensor Removal/Installation242
Input/Turbine Speed Sensor Inspection/Removal/Installation242
Vehicle Speed Sensor (VSS) Inspection243
Vehicle Speed Sensor (VSS) Removal/Installation245
Solenoid Valves Inspection245
Solenoid Valves Removal/Installation247
Hold Indicator Light Inspection247
PCM Inspection/Removal/Installation247
Automatic Transaxle Removal/Installation248
Automatic Transaxle Exploded Diagram249
Lower Arm Boll Joing Removal250
Engine Mount Member Removal250
Torque Converter Installation Nuts Removal250
Transaxle Removal/Installation251
Engine Mount Installation Note251
Oil Seal (Transaxle) Replacement252
Engine Mount Bolts Installation Note252
Engine Mounting Member Installation Note252
Control Valve Body Removal/Installation253
Oil Cooler Flushing255
Oil Cooler Removal/Installation256
Radiator (in Tank Oil Cooler) Installation Note257
Oil Pipe, Hose Clamp, Oil Hose Installation Note257
Oil Cooler Disassembly/Assembly258
Radiator Outer Tank (in Tank Oil Cooler) Removal Note258
Radiator Outer Tank (in Tank Oil Cooler) Installation Note259
Drive Plate Removal/Installation260
Drive Plate Mounting Bolts Removal Note260
Drive Plate Installation Note260
Shift Mechanism262
Selector Lever Inspection (On-Vehicle Inspection)262
Selector Cable Adjustment262
Selector Lever Removal/Installation263
Selector Cable Installation Note263
Selector Lever Disassembly/Assembly265
Connector Disassembly Note265
Cam Assembly Note265
Automatic Transaxle On-Board Diagnostic267
Automatic Transaxle: after Repair Procedure268
Automatic Transaxle On-Board Diagnostic: DTC Table269
DTC P0500 Vehicle Speed Sensor (VSS) Malfunction273
DTC P0705 Transaxle Range (TR) Switch Circuit Malfunction (Short Circuit)276
DTC P0706 Transaxle Range (TR) Switch Circuit Malfunction (Open Circuit)279
DTC P0710 Transaxle Fluid Temperature (TFT) Sensor Circuit Malfunction (Short to Ground/Open Circuit)282
Dtc P0711285
Transaxle Fluid Temperature (TFT) Sensor Circuit Malfunction (Stuck)285
DTC P0715 Input/Turbine Speed Sensor Circuit Malfunction286
DTC P0731 Gear 1 Incorrect289
DTC P0732 Gear 2 Incorrect291
DTC P0733 Gear 3 Incorrect293
DTC P0734 Gear 4 Incorrect295
DTC P0741 Torque Converter Clutch (TCC) Stuck off297
DTC P0742 Torque Converter Clutch (TCC) Stuck on299
DTC P0745 Pressure Control Solenoid Malfunction301
DTC P0751 Shift Solenoid a Stuck off304
DTC P0752 Shift Solenoid a Stuck on306
DTC P0753 Shift Solenoid a Manfunction (Electrical)308
DTC P0756 Shift Solenoid B Stuck off311
DTC P0757 Shift Solenoid B Stuck on313
DTC P0758 Shift Solenoid B Malfunction (Electrical)315
DTC P0761 Shift Solenoid C Stuck off318
DTC P0762 Shift Solenoid C Stuck on320
DTC P0763 Shift Solenoid C Malfunction (Electrical)322
DTC P0766 Shift Solenoid D Stuck off325
DTC P0767 Shift Solenoid D Stuck on327
DTC P0768 Shift Solenoid D Malfunction (Electrical)329
DTC P0771 Shift Solenoid E Stuck off332
DTC P0772 Shift Solenoid E Stuck on334
DTC P0773 Shift Solenoid E Malfunction (Electrical)336
PCM Inspection Using Ssts (NGS Tester)339
Pid/Data Monitor Table (for EC-AT Control)339
Simulation Test - Shift Solenoid Valve A, B, C/Pressure Control Solenoid Valve341
Automatic Transaxle: Diagnostic Support Procedure342
Automatic Transaxle: Troubleshooting343
Automatic Transaxle Troubleshooting: Quick Diagnosis Chart345
Vehicle Does Not Move in D, S, L Ranges or in R Position347
Vehicle Moves in N Position348
Vehicle Moves in P Position, or Parking Gear Does Not Disengage When P Is Disengaged348
Excessive Creep348
No Creep at All349
Low Maximum Speed and Poor Acceleration350
No Shifting351
Does Not Shift to Fourth Gear (4GR)351
Abnormal Shifting352
Frequent Shifting353
Shift Point Is High or Low353
Torque Converter Clutch (TCC) Non-Operation353
No Kickdown354
Engine Flares up or Slips When Upshifting or Downshifting354
Engine Flares up or Slips When Accelerating Vehicle355
Judder Upon Torque Converter Clutch (TCC) Operation355
Excessive Shift Shock from N to D or N to R Position/Range356
Excessive Shift Shock Is Felt When Upshifting and Downshifting357
Excessive Shift Shock on Torque Converter Clutch (TCC)358
Noise Occurs at Idle When Vehicle Is Stopped in All Positions/Ranges358
Noise Occurs at Idle When Vehicle Is Stopped in D, S, L Ranges or in R Position359
No Engine Braking in Hold Mode359
Transaxle Overheats359
Engine Stalls When Shifted to D, S, L Ranges or in R Position360
Engine Stalls When Driving at Slow Speeds or Stopping360
Hold Indicator Light Does Not Illuminate When Hold Switch Is Turned to on361
Hold Indicator Light Illuminates When Hold Switch Is Not Turned to on361
Front and Rear Axles362
Front and Rear Axles Outline/Specifications363
Front and Rear Axles: Supplemental Service Information364
Drive Shaft (Sedan, 5HB ATX) Disassembly/Assembly365
ABS Sensor Rotor Assembly Note366
Boot Assembly Note366
Dynamic Damper/Dynamic Damper Band Assembly Note366
Outer Ring Assembly Note366
Boot Band Assembly Note367
Steering System368
Steering System Outline/Features/Specifications369
Steering System Supplemental Service Information370
Engine Speed Sensing Power Steering371
Steering Gear and Linkage Removal/Installation371
Power Steering Oil Pump (RF Turbo) Removal/Installation372
Braking System373
Braking System Outline/Specifications374
Braking System: Supplemental Service Information375
Conventional Brake System376
Rear Brake (Drum) Removal/Installation376
Suspension377
Suspension Outline/Features/Specifications378
Front Suspension - Structural View379
Front Suspension: Supplemental Service Information380
Front Suspension: Transverse Member and Front Cross Member Removal/Installation381
Body382
Body Outline, Power Window System383
Power Window System Wiring Diagram384
Automatic Window Return Function385
Limit Switch387
Power Window System - Normal/Reset Operation388
Poser Window System, Power Door Lock System389
Power Window Main Switch389
Power Door Lock System Outline/System Wiring Diagram389
Auto Lock Function389
Unlock Cancel Function390
Seat Outline/Structural View390
Front Door Disassembly/Assembly391
Power Window System: Front Power Window Regulatgor Disassembly/Assembly392
Power Window Motor Inspection392
Driver-Side Power Window Motor Resetting393
Automatic Window Return Function Inspection395
Power Window Main Switch Inspection395
Power Door Lock System397
Trunk Lid Lock-Link Switch Inspection397
Liftgate Lock-Link Switch Inspection397
Door Lock Timer Unit Inspection398
Keyless Unit Removal/Installation399
Keyless Unit Inspection400
Transmitter Battery Replacement/Inspection401
Trunk Lid Lock Removal/Installation/Adjustment402
Liftgate Lock Removal/Installation/Adjustment402
Front Bumper Removal/Installation403
Protector Removal Note403
Exterior Attachment, Dashboard and Console404
Radiator Grille Removal/Installation404
Console Removal/Installation404
Console Disassembly/Assembly/Adjustment405
Front Seat Disassembly/Assembly406
Troubleshooting (Power Window System)407
Automatic Window Return Function/Basic Power Window System Inspection407
Automatic Mode Function Inspection/Automatic Window Return Function Inspection408
Troubleshooting Index408
Front Driver-Side Window Does Not Go up and down in Automatic Mode409
Automatic Window Return Function Does Not Work412
Automatic Window Return Function Activates Even Though the Glass Does Not Encounter a Foreign Object413
Troubleshooting (Keyless Entry System) - Foreword/Flowchart415
Keyless Entry System Check Sheet416
Keyless Entry System Preliminary Inspection417
Keyless Entry System: On-Board Diagnostic Function Chart418
On-Board Diagnostic Function Inoperative419
Transmitter ID Code Cannot be Reprogrammed421
Body Electrical System423
Body Electrical System Outline/Features425
Exterior Lighting System Wiring Diagram426
Interior Lighting System Outline/Structural View427
Warning and Indicator System428
Instrument Cluster Structural View428
Warning and Indicator System Specifications429
Warning and Indicator System Wiring Diagram430
Theft-Deterrent System433
Immobilizer System433
Theft-Deterrent System Outline/Wiring Diagram434
Air Bag System435
Air Bag System Structural View436
Body Electrical System: Supplemental Service Information437
Ignition Switch Removal/Installation/Inspection438
Accessory Socket Removal/Installation/Inspection438
Exterior Lighting System439
Front Fog Light Removal/Installation439
Front Fog Light Aiming439
Front Fog Light Bulb Removal/Installation439
Inboard Combination Light Removal/Installation440
Flasher Unit Inspectoin441
Running Light Unit Inspection442
TNS Relay Removl/Installation/Inspection FP, FS FS (Hi-Power)443
Headlight Relay Removal/Installation FP, FS, FS (Hi-Power)443
Headlight Relay Inspection FP, FS, FS (Hi-Power)444
Front Fog Light Relay Removal/Installation FP, FS, FS (Hi-Power)444
Front/Rear Fog Light Relay Inspection445
Interior Lighting System446
Door Switch Removal/Installation446
Glove Compartment Light Switch Inspection/Removal/Installation446
Wiper and Washer447
Headlight Cleaner Nozzle Adjustment447
Headlight Cleaner Switch Inspection447
Headlight Cleaner Relay Removal/Installation/Inspection447
Instrument Cluster Disassembly/Assembly/Inspection - Speedometer, Tachometer448
Fuel Gauge Sender Unit Inspection449
Horn Removal/Installation450
Horn Relay Removal/Installation/Inspection450
Information Display Inspection451
F/G/L/O Terminal Inspection452
Instrument Cluster Input/Output Check Mode453
Instrument Cluster Input/Output Check Operating Order454
Instrument Cluster Input/Output Checking Order455
Inspection of Diagnosit Trouble Codes455
Door Lock-Link Switch On/Off Signal456
Outer Handle Switch On/Off Signal457
Rear Window Defroster Switch On/Off Signal457
TNS Relay On/Off Signal458
Headlight Switch On/Off Signal459
Vehicle Speed Input Signal459
Engine Speed Input Signal460
Operation Signal to Speedometer/To Tachometer/To Buzzer460
Operation Signal to Rear Fog Light Relay461
Operation Signal to Fuel-Level Warning Light461
Operation Signal to Rear Window Defroster Indicator Light461
Ignition Key Illumination On/Off Signal461
Operation Signal to Rear Window Defroster Relay On/Off Signal462
Operation Signal to Door Lock Timer Unit462
Fuel Level Signal463
Operation Signal to Fuel Gauge464
Watern Temperature Signal464
Operation Signal to Water Temperature Gauge465
LCD Indication465
Operation Signal to Interior Light466
Rear Fog Light Switch On/Off Signal466
Key Reminder On/Off Signal467
Front Fog Light Relay On/Off Signal467
Theft-Deterrent System/Theft-Deterrent Control Module Inspection469
Theft-Deterrent System: Station Wagon472
Audio475
Power Antenna Removal/Installation/Disassembly/Assembly/Inspection475
Antenna Mast Removal/Installation476
Noise Filter Removal/Installation/Inspection476
Front Antenna Feeder Removal/Installation/Inspection477
Rear Antenna Feeder Removal/Installation/Inspection477
Air Bag System - Component Disassembly478
Wiring Harness Repair478
Air Bag Module Inspection478
Air Bag Module/Side Air Bag Module Handling479
SAS Unit Handling479
Side Air Bag Sensor Handling479
Pre-Tensioner Seat Belt Inspection479
Air Bag System Component Handling/Reusing480
Side Air Bag Sensor Removal/Installation480
SAS Unit Removal/Installation481
SAS Unit Bracket Removal/Installation481
Body Electrical System: On-Board Diagnostic482
Body Electrical System: On-Board Diagnostic Flowchart483
Body Electrical System On-Board Diagnostic: Post-Repair Operation/Past Malfunction Code Display Cancellation484
Body Electrical System On-Board Diagnostic: DTC Table485
SAS Unit Connector Poor Connection486
SAS Unit488
Power Supply of SAS Unit488
Driver-Side Air Bag Module System490
Passenger-Side Air Bag Module System492
Driver-Side Pre-Tensioner Seat Belt System495
Passenger-Side Pre-Tensioner Seat Belt System496
Driver-Side Side Air Bag Sensor System (Internal Circuit Abnormal)499
Driver-Side Side Air Bag Sensor System (Communication Error)502
Driver-Side Side Air Bag Module System504
Passenger-Side Side Air Bag Sensor System (Internal Circuit Abnormal)507
Passenger-Side Side Air Bag Sensor System (Communication Error)510
Passenger-Side Side Air Bag Module System514
Short to Ground in Wirig Harness between SAS Unit and Occupancy Sensor516
Open Circuit in Wiring Harness between SAS Unit and Occupancy Sensor518
Passenger-Side Air Bag Cut-Off Indicator Light System520
Occupancy Sensor (Occupancy Detection Part)522
Occupancy Sensor (Child Restraint Seat Detection Part)523
Air Bag System Warning Light Circuit523
Body Electrical System Troubleshooting526
Air Bag System Warning Light Does Not Illuminate526
Air Bag System Warning Light Is Illuminated All the Time528
Passenger-Side Air Bag Cut-Off Indicator Light Does Not DIM530
Passenger-Side Air Bag Cut-Off Indicator Light Is Illuminated All the Time532
Heater and Air Conditioner Systems535
Heater and Air Conditioner Systems: Abbreviations/Outline/Features536
Heater and Air Conditioner Systems: Specifications537
Heater and Air Conditioner Systems: Basic System538
Air Filter538
Climate Control Unit539
Manual Air Conditioner Control System540
Defroster Control540
Full-Auto Air Conditioner Control System541
Airflow Temperature Control542
Coolant Temperature Correction (RF Turbo Only)542
Airflow Volume/Mode Control543
A/C Compressor Control543
Heater and Air Conditioner Systems: Supplemental Service Information544
Manual Air Conditioner Structural View545
Blower Relay Inspection546
Climate Control Unit Disassembly/Assembly546
Climate Control Unit Inspection548
Heater and Air Conditioner Systems Troubleshooting551
Windshield Fogged552
No Air Conditioning System Functions Operate554
Indications of Climate Control Unit Indicator Light Are Incorrect555
Insufficient Air (or no Air) Blown from Vents557
Amount of Air Blown from Vents Does Not Change558
Aifrlow Mode Does Not Change558
Air Intake Mode Does Not Change561
No Tempreature Control562
Air from Vents Not Cold Enough565
No Cool Air568
Technical Data572
Automatic Transaxle Technical Data573
Front and Rear Axles Technical Data573
Suspension - Wheel and Tires Technical Data574
Body Electrical System Technical Data574
Special Tools575

Mazda 626 - Troubleshooting (Keyless Entry System) - Foreword;Flowchart

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