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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Nissan D21 Pickup car and truck
repair procedures including Nissan engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 1991 Nissan D21 Pickup automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1991 Nissan D21 Pickup
- 1991 Nissan D21 Pickup 3.0 V6 GAS, CC:2960, Fuel Injection, Engine VIN:, Desg:H
- 1991 Nissan D21 Pickup 2.4 L4 GAS, CC:2389, Fuel Injection, Engine VIN:, Desg:S
- 1991 Nissan D21 Pickup SE 3.0 V6 GAS, CC:2960, Fuel Injection, Engine VIN:, Desg:H
A/C & HEATER SERVICE PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 Nissan D21 Pickup cars and light trucks from 1990+
Air Bag System Precautions -> Nissan -> Disarming
Vehicle: 1991 Nissan D21 Pickup 2.4 L4 GAS
- Turn ignition Off.
- Disconnect and isolate battery ground cable, then the positive cable.
- On 1990-96 models wait a minimum of 10 minutes for air bag system to discharge. The system will retain power for approximately 10 minutes after disconnecting the battery cables. It is possible for the air bag to deploy during...
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A/C & HEATER SERVICE PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 Nissan D21 Pickup cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1991 Nissan D21 Pickup SE 3.0 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 Nissan D21 Pickup cars and light trucks from 1990+
Nissan -> AUTOMATIC TEMPERATURE CONTROL SYSTEM DIAGNOSIS & TESTING, PATHFINDER & PICKUP -> A/C COMPONENT DIAGNOSIS & TESTING -> A/C SWITCH -> AMBIENT SENSOR -> FAN SWITCH -> IN-VEHICLE SENSOR -> MICROSWITCH -> RESISTOR -> SUNLOAD SENSOR -> WATER TEMPERATURE SENSOR
Vehicle: 1991 Nissan D21 Pickup 3.0 V6 GAS
A/C SWITCH
Test continuity of switch as shown in Fig. .
AMBIENT SENSOR
Measure terminal resistance as shown in Fig. .
FAN SWITCH
Refer to Fig. , for switch testing.
IN-VEHICLE SENSOR
Refer to...
CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 Nissan D21 Pickup cars and light trucks from 1990+
Nissan -> COMPONENT REPLACEMENT & ADJUSTMENT -> COMPRESSOR, REPLACE
Vehicle: 1991 Nissan D21 Pickup 2.4 L4 GAS
- Disconnect battery ground cable and discharge A/C system.
- Loosen A/C idler pulley and remove drive belt from compressor pulley.
- Disconnect compressor electrical connector.
- Disconnect refrigerant l...
CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 Nissan D21 Pickup cars and light trucks from 1990+
Nissan -> COMPONENT REPLACEMENT & ADJUSTMENT -> PRECAUTIONS -> AIR BAG SYSTEM DISARMING
Vehicle: 1991 Nissan D21 Pickup 3.0 V6 GAS
AIR BAG SYSTEM DISARMING
Refer to ...
CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1991 Nissan D21 Pickup AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 Nissan D21 Pickup cars and light trucks from 1990+
Nissan -> MANUAL AIR CONDITIONING & HEATER SYSTEM DIAGNOSIS & TESTING -> A/C COMPONENT DIAGNOSIS & TESTING -> 240SX -> 300ZX -> A/C RELAY -> A/C SWITCH -> AMBIENT SWITCH -> BLOWER RESISTOR -> DUAL PRESSURE SWITCH -> ENGINE TEMPERATURE SWITCH -> FAN SWITCH -> FAST IDLE CONTROL DEVICE -> Maxima -> Maxima & 240SX -> NX Coupe, NX1600, NX2000 & Sentra -> Pathfinder & Pickup -> Stanza -> THERMAL PROTECTOR -> THERMO CONTROL AMPLIFIER
Vehicle: 1991 Nissan D21 Pickup 3.0 V6 GAS
Components described may be found in both manual A/C and Automatic Temperature Control systems. Refer to "Automatic Temperature Control" system for diagnosis and testing of components unique to that system. Refer to the appropriate vacuum hose routing schematic(s) and/or wiring diagram for additional information.
A/C RELAY
Check continuity as shown in Fig. .
A/C SWITCH
Maxima & 240SX
Check continuity between terminals as shown in Fig. .
NX Coupe, NX1600, NX2000 & Sentra
Check continuity between terminals as shown in Fi...
CLICK HERE TO GET FULL ACCESS TO 1991 Nissan D21 Pickup A/C & HEATER SERVICE PROCEDURES
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