Manual sections

Wiring diagrams

• Abbreviations
• Accessory Drive Belts
• Airbag
• Anti-Lock/traction Control
• Audio System
• Automatic Trans
• Automatic Transmission
• Automatic Transmission: Diagnosis
• Basic Trouble Shooting
• Body, Cab Control Systems
• Brakes
• Brakes Control Systems
• Cabin Air Filter
• CAN System (Type 11)
• CAN System (Type 12)
• CAN System (Type 6)
• CAN System (Type 9)
• Charging System
• Check Lists
• Communication Devices
• Computer Relearn
• Cooling Fan
• Cooling System (Mechanical)
• Cruise Control Systems
• Diagnostic Connector Locations
• Differentials & Drive Axles
• Door Locks & Anti-Theft Systems
• Drive Cycles
• Driveline/axles
• Driveshaft & Universal Joints
• DTC Index
• Electrical Component Locations
• Emission Applications
• Engine
• Engine Control System
• Engine Control System: Diagnosis
• Engine Control System: Overview
• Engine Control System: Wiring
• Engine Performance
• Entertainment Systems
• Exhaust
• Exterior Lights
• Exterior/interior Trim
• Front Final Drive
• Fuel System
• Fuses & Circuit Breakers
• Gauges & Instrument Panels
• General Information
• Headlights
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• Identification
• Interior/illumination Lights
• Lubrication System
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• Manual HVAC System
• Manual HVAC System
• Mechanical
• Mechanical - Hydraulic
• Metric Conversions
• Mirrors
• Mode 6
• Navigation System
• Navigation System
• Navigation System: Diagnosis
• Parking Brake System
• Passive Restraints
• Power Locks & Anti-Theft Systems
• Power Seat System
• Power Seat System: Wiring
• Reset Procedures
• Restraints
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• Specifications
• Starter
• Steering
• Steering Column Switches
• Sun Roof/t-Top/convertible Top
• Suspension Front
• Suspension Rear
• Testing & Diagnostics
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• Traction Control Disable
• Transfer Case
• Transfer Case
• Transmission
• Warning System
• Wheel Alignment
• Windows
• Wiper/washer Systems
• Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.)

Repair manual

Manual HVAC System Nissan Titan I

Step-by-step instructions on "Manual HVAC System" for Nissan Titan I (2003–2006). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

115subsections

115articles

111illustrations

PRECAUTIONS FOR SUPPLEMENTAL RESTRAINT SYSTEM (SRS) "AIR BAG" AND "SEAT BELT PRE-TENSIONER"

1 article

• PRECAUTIONS FOR SUPPLEMENTAL RESTRAINT SYSTEM (SRS) "AIR BAG" AND "SEAT BELT PRE-TENSIONER"

PRECAUTIONS FOR WORKING WITH HFC-134A (R-134A)

1 article

• PRECAUTIONS FOR WORKING WITH HFC-134A (R-134A)

CONTAMINATED REFRIGERANT

1 article

• CONTAMINATED REFRIGERANT

GENERAL REFRIGERANT PRECAUTIONS

1 article

• GENERAL REFRIGERANT PRECAUTIONS

PRECAUTIONS FOR LEAK DETECTION DYE

1 article

• PRECAUTIONS FOR LEAK DETECTION DYE

PRECAUTIONS FOR REFRIGERANT CONNECTION

1 article

• PRECAUTIONS FOR REFRIGERANT CONNECTION 5

PRECAUTIONS FOR SERVICING COMPRESSOR

1 article

• PRECAUTIONS FOR SERVICING COMPRESSOR

Recovery/Recycling Equipment

1 article

• Recovery/Recycling Equipment

Electronic Leak Detector

1 article

• Electronic Leak Detector

Vacuum Pump

1 article

• Vacuum Pump 1

Manifold Gauge Set

1 article

• Manifold Gauge Set 1

Service Hoses

1 article

• Service Hoses 1

Service Couplers

1 article

• Service Couplers 2

Charging Cylinder

1 article

• Charging Cylinder

SPECIAL SERVICE TOOLS

1 article

• SPECIAL SERVICE TOOLS 1

HFC-134A (R-134A) SERVICE TOOLS AND EQUIPMENT

1 article

• HFC-134A (R-134A) SERVICE TOOLS AND EQUIPMENT 4

Refrigerant Flow

1 article

• Refrigerant Flow

Refrigerant Pressure Sensor

1 article

• Refrigerant Pressure Sensor

Pressure Relief Valve

1 article

• Pressure Relief Valve 2

Lubricant

1 article

• Lubricant

Checking And Adjusting

1 article

• Checking And Adjusting

Air Mix Door Control

1 article

• Air Mix Door Control

Fan Speed Control

1 article

• Fan Speed Control

Intake Doors Control

1 article

• Intake Doors Control

Mode Door Control

1 article

• Mode Door Control

Defroster Door Control

1 article

• Defroster Door Control 1

Self-Diagnostic System

1 article

• Self-Diagnostic System

Display Screen (If Equipped)

1 article

• Display Screen (If Equipped)

Temperature Switch (Temperature Control)

1 article

• Temperature Switch (Temperature Control)

Recirculation (REC) Switch

1 article

• Recirculation (REC) Switch

Off Switch (Blower Speed Set To 0)

1 article

• Off Switch (Blower Speed Set To 0)

A/C Switch

1 article

• A/C Switch

Mode Switch

1 article

• Mode Switch

Front Blower Switch

1 article

• Front Blower Switch 4

CONSULT-II

1 article

• CONSULT-II 1

FRONT AIR CONTROL TERMINALS AND REFERENCE VALUE

1 article

• FRONT AIR CONTROL TERMINALS AND REFERENCE VALUE 4

Checking Blower

1 article

• Checking Blower 3

Checking Recirculation

1 article

• Checking Recirculation 1

Checking Temperature Decrease

1 article

• Checking Temperature Decrease 1

Checking Temperature Increase

1 article

• Checking Temperature Increase 1

Check A/C Switch

1 article

• Check A/C Switch 1

Front Air Control

1 article

• Front Air Control 1

Potentio Temperature Control (PTC)

1 article

• Potentio Temperature Control (PTC) 1

2. CHECK GROUND CIRCUIT FOR FRONT AIR CONTROL

1 article

• 2. CHECK GROUND CIRCUIT FOR FRONT AIR CONTROL 1

Component Parts

1 article

• Component Parts

Mode Door Motor

1 article

• Mode Door Motor 1

3. CHECK POWER SUPPLY AND GROUND CIRCUITS FOR MODE DOOR MOTOR

1 article

• 3. CHECK POWER SUPPLY AND GROUND CIRCUITS FOR MODE DOOR MOTOR 1

4. CHECK PBR REFERENCE SIGNAL VOLTAGE

1 article

• 4. CHECK PBR REFERENCE SIGNAL VOLTAGE 1

5. CHECK PBR REFERENCE VOLTAGE CIRCUIT BETWEEN MODE DOOR AND FRONT AIR CONTROL

1 article

• 5. CHECK PBR REFERENCE VOLTAGE CIRCUIT BETWEEN MODE DOOR AND FRONT AIR CONTROL 1

6. CHECK PBR GROUND REFERENCE CIRCUIT

1 article

• 6. CHECK PBR GROUND REFERENCE CIRCUIT 1

7. CHECK PBR FEEDBACK SIGNAL

1 article

• 7. CHECK PBR FEEDBACK SIGNAL 1

8. CHECK PBR FEEDBACK CIRCUIT

1 article

• 8. CHECK PBR FEEDBACK CIRCUIT 1

3. CHECK POWER SUPPLY CIRCUITS FOR AIR MIX DOOR MOTOR (FRONT)

1 article

• 3. CHECK POWER SUPPLY CIRCUITS FOR AIR MIX DOOR MOTOR (FRONT) 2

5. CHECK PBR REFERENCE VOLTAGE CIRCUIT BETWEEN AIR MIX DOOR MOTOR (FRONT) AND FRONT AIR CONTROL

1 article

• 5. CHECK PBR REFERENCE VOLTAGE CIRCUIT BETWEEN AIR MIX DOOR MOTOR (FRONT) AND FRONT AIR CONTROL 4

Defroster Door Motor

1 article

• Defroster Door Motor 2

5. CHECK PBR REFERENCE VOLTAGE CIRCUIT BETWEEN DEFROSTER DOOR MOTOR AND FRONT AIR CONTROL

1 article

• 5. CHECK PBR REFERENCE VOLTAGE CIRCUIT BETWEEN DEFROSTER DOOR MOTOR AND FRONT AIR CONTROL 1

6. CHECK PBR REFERENCE VOLTAGE CIRCUIT

1 article

• 6. CHECK PBR REFERENCE VOLTAGE CIRCUIT 4

Blower Motor Resistor

1 article

• Blower Motor Resistor 1

2. CHECK FUSES

1 article

• 2. CHECK FUSES

3. CHECK BLOWER MOTOR POWER SUPPLY

1 article

• 3. CHECK BLOWER MOTOR POWER SUPPLY 1

4. CHECK BLOWER MOTOR RELAY

1 article

• 4. CHECK BLOWER MOTOR RELAY

5. CHECK BLOWER MOTOR POWER FROM RELAY TO BLOWER MOTOR

1 article

• 5. CHECK BLOWER MOTOR POWER FROM RELAY TO BLOWER MOTOR 1

6. CHECK BLOWER MOTOR RELAY (COIL SIDE) POWER SUPPLY CIRCUIT

1 article

• 6. CHECK BLOWER MOTOR RELAY (COIL SIDE) POWER SUPPLY CIRCUIT 1

7. CHECK BLOWER MOTOR RELAY (COIL SIDE) GROUND CIRCUIT

1 article

• 7. CHECK BLOWER MOTOR RELAY (COIL SIDE) GROUND CIRCUIT 1

9. CHECK BLOWER MOTOR POWER SUPPLY CIRCUIT FOR SHORT

1 article

• 9. CHECK BLOWER MOTOR POWER SUPPLY CIRCUIT FOR SHORT 1

10. CHECK BLOWER MOTOR RELAY (SWITCH SIDE) POWER SUPPLY CIRCUIT

1 article

• 10. CHECK BLOWER MOTOR RELAY (SWITCH SIDE) POWER SUPPLY CIRCUIT 1

11. CHECK BLOWER MOTOR

1 article

• 11. CHECK BLOWER MOTOR

12. CHECK BLOWER SWITCH

1 article

• 12. CHECK BLOWER SWITCH

13. CHECK BLOWER MOTOR RESISTOR

1 article

• 13. CHECK BLOWER MOTOR RESISTOR

14. CHECK BLOWER SWITCH CIRCUIT

1 article

• 14. CHECK BLOWER SWITCH CIRCUIT 2

15. CHECK BLOWER MOTOR GROUND CIRCUIT TO BLOWER MOTOR RESISTOR

1 article

• 15. CHECK BLOWER MOTOR GROUND CIRCUIT TO BLOWER MOTOR RESISTOR 1

16. CHECK BLOWER SWITCH

1 article

• 16. CHECK BLOWER SWITCH

Blower Motor Relay

1 article

• Blower Motor Relay 1

Blower Motor

1 article

• Blower Motor 1

Blower Switch

1 article

• Blower Switch 2

Low Temperature Protection Control

1 article

• Low Temperature Protection Control

1. CHECK INTAKE SENSOR CIRCUIT

1 article

• 1. CHECK INTAKE SENSOR CIRCUIT

3. CHECK CIRCUIT CONTINUITY BETWEEN IPDM E/R AND COMPRESSOR

1 article

• 3. CHECK CIRCUIT CONTINUITY BETWEEN IPDM E/R AND COMPRESSOR 1

4. CHECK MAGNET CLUTCH CIRCUIT

1 article

• 4. CHECK MAGNET CLUTCH CIRCUIT 1

5. CHECK BCM INPUT (COMPRESSOR ON) SIGNAL

1 article

• 5. CHECK BCM INPUT (COMPRESSOR ON) SIGNAL 1

6. CHECK CIRCUIT CONTINUITY BETWEEN BCM AND FRONT AIR CONTROL

1 article

• 6. CHECK CIRCUIT CONTINUITY BETWEEN BCM AND FRONT AIR CONTROL 1

7. CHECK VOLTAGE FOR FRONT AIR CONTROL (COMPRESSOR ON SIGNAL)

1 article

• 7. CHECK VOLTAGE FOR FRONT AIR CONTROL (COMPRESSOR ON SIGNAL) 2

8. CHECK REFRIGERANT PRESSURE SENSOR

1 article

• 8. CHECK REFRIGERANT PRESSURE SENSOR 2

9. CHECK BCM INPUT (FAN ON) SIGNAL

1 article

• 9. CHECK BCM INPUT (FAN ON) SIGNAL 1

10. CHECK CIRCUIT CONTINUITY BETWEEN BCM AND FRONT AIR CONTROL

1 article

• 10. CHECK CIRCUIT CONTINUITY BETWEEN BCM AND FRONT AIR CONTROL 1

11. CHECK VOLTAGE FOR FRONT AIR CONTROL (FAN ON SIGNAL)

1 article

• 11. CHECK VOLTAGE FOR FRONT AIR CONTROL (FAN ON SIGNAL) 2

12. CHECK CAN COMMUNICATION

1 article

• 12. CHECK CAN COMMUNICATION 1

INSUFFICIENT HEATING

1 article

• INSUFFICIENT HEATING 1

Water Valve

1 article

• Water Valve 1

1. CHECK FUSES

1 article

• 1. CHECK FUSES

2. CHECK WATER VALVE RELAY POWER INPUT CIRCUITS

1 article

• 2. CHECK WATER VALVE RELAY POWER INPUT CIRCUITS 1

3. CHECK WATER VALVE POWER OUTPUT CIRCUIT

1 article

• 3. CHECK WATER VALVE POWER OUTPUT CIRCUIT 1

4. CHECK WATER VALVE RELAY

1 article

• 4. CHECK WATER VALVE RELAY

5. CHECK WATER VALVE GROUND CIRCUIT

1 article

• 5. CHECK WATER VALVE GROUND CIRCUIT 1

6. CHECK WATER VALVE POWER CIRCUITS

1 article

• 6. CHECK WATER VALVE POWER CIRCUITS 1

7. CHECK WATER VALVE POWER CIRCUITS

1 article

• 7. CHECK WATER VALVE POWER CIRCUITS 1

Water Valve Relay

1 article

• Water Valve Relay 1

Intake Sensor

1 article

• Intake Sensor 1

1. CHECK VOLTAGE BETWEEN INTAKE SENSOR AND GROUND

1 article

• 1. CHECK VOLTAGE BETWEEN INTAKE SENSOR AND GROUND 1

2. CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND FRONT AIR CONTROL

1 article

• 2. CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND FRONT AIR CONTROL 1

3. CHECK INTAKE SENSOR

1 article

• 3. CHECK INTAKE SENSOR 4

FUNCTION

1 article

• FUNCTION 1

Clutch Disc

1 article

• Clutch Disc 1

Pulley

1 article

• Pulley

Coil

1 article

• Coil 5

Break-In Operation

1 article

• Break-In Operation

CHECKING FOR REFRIGERANT LEAKS

1 article

• CHECKING FOR REFRIGERANT LEAKS

CHECKING SYSTEM FOR LEAKS USING THE FLUORESCENT DYE LEAK DETECTOR

1 article

• CHECKING SYSTEM FOR LEAKS USING THE FLUORESCENT DYE LEAK DETECTOR

DYE INJECTION

1 article

• DYE INJECTION

Precautions For Handling Leak Detector

1 article

• Precautions For Handling Leak Detector 4

Checking Procedure

1 article

• Checking Procedure 1

COMPRESSOR

1 article

• COMPRESSOR

REFRIGERANT

1 article

• REFRIGERANT

ENGINE IDLING SPEED

1 article

• ENGINE IDLING SPEED

BELT TENSION

1 article

• BELT TENSION