55-6
HEATERS AND MANUAL
AIR CONDITIONING
Troubleshooting
TROUBLESHOOTING
Symptom
Heater insufficient heat
No ventilation even when
mode selection knob is
operated
Blower motor inoperative
Air conditioning does not
operate when the ignition
switch in the ON position
Probable cause
Obstructed heater outlets
Remedy
Correct
Ref. page
Blend air dampers improperly
or binding
Correct
Thermostat malfunction
Replace
GROUP 14
Obstructed heater hoses
Improperly adjusted control cables
Plugged or partially plugged heater
core
Replace
Adjust
Clean or replace
Incorrect adjustment of mode
tion dampers
Adjust
Incorrect installation of mode
tion control wire
Ducts are incorrectly/incompletely
connected, crushed, bent or clogged
Adjust
Repair or replace
Burn-out fuse
Poor grounding
Malfunction blower switch
Correct
Replace
Replace
Malfunction resistor
Malfunction blower motor
Malfunction heater relay
Malfunction blower motor relay
Open-circuited power circuit harness
Replace
Replace
Replace
Replace
Correct harness
55-32
55-29
55-29
Defective magnet clutch
Replace
Defective thermostat
Replace
Defective A/C engine coolant
Replace
55-53
ature switch for air conditioning cut
off
to 1993 models>
Defective dual pressure switch
Refrigerant leak
Replace
Charge refrigerant, correct
leak
55-45
I
I
Excessive refrigerant
Defective air conditioning switch
Discharge refrigerant
Replace air conditioning
switch
55-33
Defective A/C compressor lock
Replace A/C compressor
55-32
troller
lock controller
I
TSB
Revision
Summary of Contents for 1992 3000GT
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Page 118: ...13A 14 MULTIPORT FUEL INJECTION Special Tools TSB Revision...
Page 394: ...NOTES...
Page 460: ...NOTES...
Page 532: ...NOTES...
Page 536: ...21 4 CLUTCH Troubleshooting Excessive wear of clutch disc facin I LJ 1 TSB Revision...
Page 556: ...NOTES...
Page 570: ...22 14 MANUAL TRANSAXLE AWD Special Tools SPECIAL TOOLS Oil seal installer TSB Revision...
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Page 600: ...I I I LJ LJ I L...
Page 609: ...AUTOMATIC TRANSAXLE Troubleshooting 23 I 9 L L 1 TSB Revision...
Page 668: ...NOTES...
Page 692: ...NOTES...
Page 752: ...33 2 NOTES...
Page 766: ...NOTES...
Page 809: ...REAR SUSPENSION AWD Special Tools 34 23 B lMB990244 i TSB Revision...
Page 810: ...34 24 REAR SUSPENSION AWD Troubleshooting TROUBLESHOOTING TSB Revision...
Page 946: ...NOTES...
Page 958: ...NOTES...
Page 960: ...37 2...
Page 964: ...37A 4 STEERING Snecial Tools SPECIAL TOOLS Preload socket General service TSB Revision...
Page 994: ...NOTES...
Page 1006: ...NOTES...
Page 1068: ...42 62 BODY Sunroof SUNROOF SWITCH CONTINUITY CHECK 18FO403 TSB Revision...
Page 1070: ...NOTES I...
Page 1103: ...52 1 i INTERIOR CONTENTS INTERIOR 52A SUPPLEMENTAL RESTRAINT SYSTEM SRS 528 i...
Page 1104: ...52 2 NOTES...
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