Download MTC Air Conditioner Specifications

Front Air Control Terminals and Reference Value... 44
PIN CONNECTOR TERMINAL LAYOUT ............ 44
TERMINALS AND REFERENCE VALUE FOR
FRONT AIR CONTROL ....................................... 44
Operational Check .................................................. 46
CHECKING BLOWER ......................................... 46
CHECKING DISCHARGE AIR ............................ 46
CHECKING RECIRCULATION (, ONLY) ............. 46
CHECKING TEMPERATURE DECREASE ......... 46
CHECKING TEMPERATURE INCREASE .......... 46
CHECK A/C SWITCH .......................................... 46
Power Supply and Ground Circuit for Front Air Control ........................................................................... 48
INSPECTION FLOW ........................................... 48
COMPONENT DESCRIPTION ............................ 49
DIAGNOSTIC PROCEDURE FOR A/C SYSTEM... 49
Mode Door Motor Circuit ........................................ 51
INSPECTION FLOW ........................................... 51
SYSTEM DESCRIPTION .................................... 51
COMPONENT DESCRIPTION ............................ 52
DIAGNOSTIC PROCEDURE FOR MODE
DOOR MOTOR ................................................... 52
Air Mix Door Motor Circuit ...................................... 56
INSPECTION FLOW ........................................... 56
SYSTEM DESCRIPTION .................................... 57
COMPONENT DESCRIPTION ............................ 57
DIAGNOSTIC PROCEDURE FOR AIR MIX
DOOR MOTOR (FRONT) .................................... 57
Intake Door Motor Circuit ........................................ 61
INSPECTION FLOW ........................................... 61
SYSTEM DESCRIPTION .................................... 62
COMPONENT DESCRIPTION ............................ 62
DIAGNOSTIC PROCEDURE FOR INTAKE
DOOR MOTOR ................................................... 63
Defroster Door Motor Circuit ................................... 65
SYMPTOM: .......................................................... 65
INSPECTION FLOW ........................................... 65
SYSTEM DESCRIPTION .................................... 66
COMPONENT DESCRIPTION ............................ 66
DIAGNOSTIC PROCEDURE FOR
DEFROSTER DOOR MOTOR ............................ 66
Front Blower Motor Circuit ...................................... 70
INSPECTION FLOW ........................................... 70
SYSTEM DESCRIPTION .................................... 71
COMPONENT DESCRIPTION ............................ 71
DIAGNOSTIC PROCEDURE FOR BLOWER
MOTOR ............................................................... 72
COMPONENT INSPECTION .............................. 76
Magnet Clutch Circuit ............................................. 77
INSPECTION FLOW ........................................... 77
SYSTEM DESCRIPTION .................................... 78
DIAGNOSTIC PROCEDURE FOR MAGNET
CLUTCH .............................................................. 78
Insufficient Cooling ................................................. 82
INSPECTION FLOW ........................................... 82
PERFORMANCE TEST DIAGNOSES ................ 83
PERFORMANCE CHART ................................... 85
TROUBLE DIAGNOSES FOR UNUSUAL PRESSURE ................................................................... 86
Revision: October 2006
Insufficient Heating .................................................89
INSPECTION FLOW ............................................89
Noise .......................................................................90
INSPECTION FLOW ............................................90
Water Valve Circuit ..................................................91
COMPONENT DESCRIPTION ............................91
DIAGNOSTIC PROCEDURE FOR WATER
VALVE ..................................................................91
Intake Sensor Circuit ...............................................93
COMPONENT DESCRIPTION ............................93
DIAGNOSTIC PROCEDURE FOR INTAKE SENSOR .....................................................................93
COMPONENT INSPECTION ...............................94
CONTROL UNIT ........................................................95
Removal and Installation .........................................95
REMOVAL ............................................................95
INSTALLATION ....................................................95
INTAKE SENSOR ......................................................96
Removal and Installation .........................................96
REMOVAL ............................................................96
INSTALLATION ....................................................96
BLOWER MOTOR .....................................................97
Removal and Installation .........................................97
REMOVAL ............................................................97
INSTALLATION ....................................................97
IN-CABIN MICROFILTER ..........................................98
Removal and Installation .........................................98
FUNCTION ..........................................................98
REPLACEMENT TIMING ....................................98
REPLACEMENT PROCEDURE ..........................98
HEATER & COOLING UNIT ASSEMBLY ............... 100
Removal and Installation ....................................... 100
REMOVAL .......................................................... 100
INSTALLATION .................................................. 101
HEATER CORE ....................................................... 102
Removal and Installation ....................................... 102
REMOVAL .......................................................... 103
INSTALLATION .................................................. 103
DEFROSTER DOOR MOTOR ................................. 104
Removal and Installation ....................................... 104
REMOVAL .......................................................... 104
INSTALLATION .................................................. 104
INTAKE DOOR MOTOR .......................................... 105
Removal and Installation ....................................... 105
REMOVAL .......................................................... 105
INSTALLATION .................................................. 105
MODE DOOR MOTOR ............................................ 106
Removal and Installation ....................................... 106
REMOVAL .......................................................... 106
INSTALLATION .................................................. 106
AIR MIX DOOR MOTOR ......................................... 107
Removal and Installation ....................................... 107
REMOVAL .......................................................... 107
INSTALLATION .................................................. 107
VARIABLE BLOWER CONTROL ........................... 108
Removal and Installation ....................................... 108
REMOVAL .......................................................... 108
INSTALLATION .................................................. 108
MTC-2
2006 Titan