1994 Jeep Grand Cherokee A/C & Heater Service (ONLINE REPAIR MANUALS)

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1994 Jeep Grand Cherokee car and truck repair procedures including Jeep 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 1994 Jeep Grand Cherokee automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 1994 Jeep Grand Cherokee

  • 1994 Jeep Grand Cherokee Laredo 5.2 V8 GAS, CID:318, Fuel Injection, Aspiration:318, Engine VIN:, Desg:Y
  • 1994 Jeep Grand Cherokee Laredo 4.0 L6 GAS, CID:242, Fuel Injection, Aspiration:242, Engine VIN:, Desg:S
  • 1994 Jeep Grand Cherokee Limited 5.2 V8 GAS, CID:318, Fuel Injection, Aspiration:318, Engine VIN:, Desg:Y
  • 1994 Jeep Grand Cherokee Limited 4.0 L6 GAS, CID:242, Fuel Injection, Aspiration:242, Engine VIN:, Desg:S
  • 1994 Jeep Grand Cherokee SE 5.2 V8 GAS, CID:318, Fuel Injection, Aspiration:318, Engine VIN:, Desg:Y
  • 1994 Jeep Grand Cherokee SE 4.0 L6 GAS, CID:242, Fuel Injection, Aspiration:242, Engine VIN:, Desg:S

A/C & HEATER SERVICE PROCEDURES FOR 1994 Jeep Grand Cherokee 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 1994 Jeep Grand Cherokee cars and light trucks from 1990+

Manual Air Conditioning & Heater System Diagnosis & Testing -> Grand Cherokee -> A/C SYSTEM DIAGNOSIS & TESTING -> A/C PERFORMANCE TEST -> Empty Refrigerant System Leak Test -> LEAK TESTS -> Locating Vacuum Leaks -> Low Refrigerant Level Leak Test -> OPERATIONAL TEST -> REFRIGERANT SYSTEM TESTS -> VACUUM SYSTEM DIAGNOSIS -> Vacuum Testing Heater-A/C Controls -> Vacuum Testing One-Way Check Valve -> Visual Inspection
Vehicle: 1994 Jeep Grand Cherokee SE 5.2 V8 GAS

A/C PERFORMANCE TEST

Air temperature in shop should be at least 70°F when performing this test.

  • Connect manifold gauge set and tachometer.
  • Set A/C controls to A/C, PANEL, RECIRC, full cool and blower on High.
  • Start engine and adjust speed to 1000 RPM with compressor clutch engaged.
  • Engine should be at operating temperature with vehicle doors and windows closed.
  • Place thermometer in left center A/C air outlet. Run engine, for 5 minutes to allow temperatures to stabilize. Compressor clutch may cycle.
  • If A/C clutch cycle...

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A/C & HEATER SERVICE PROCEDURES FOR 1994 Jeep Grand Cherokee 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 1994 Jeep Grand Cherokee cars and light trucks from 1990+

Component Replacement & Adjustment -> Light Trucks & Vans -> TEMPERATURE/BLEND AIR DOOR MOTOR, REPLACE -> GRAND CHEROKEE
Vehicle: 1994 Jeep Grand Cherokee Limited 5.2 V8 GAS

GRAND CHEROKEE

  • Disconnect motor electrical c...

CLICK HERE TO GET FULL ACCESS TO 1994 Jeep Grand Cherokee A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1994 Jeep Grand Cherokee 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 1994 Jeep Grand Cherokee cars and light trucks from 1990+

Component Replacement & Adjustment -> Light Trucks & Vans -> AUTOMATIC TEMPERATURE CONTROL (ATC) SOLAR SENSOR, REPLACE -> GRAND CHEROKEE
Vehicle: 1994 Jeep Grand Cherokee Limited 5.2 V8 GAS

GRAND CHEROKEE

  • Remove defrost grille from top of instrument p...

CLICK HERE TO GET FULL ACCESS TO 1994 Jeep Grand Cherokee A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1994 Jeep Grand Cherokee 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 1994 Jeep Grand Cherokee cars and light trucks from 1990+

Automatic Temperature Control Systems Diagnosis & Testing -> Grand Cherokee -> DIAGNOSIS & TESTING -> ACCESSING DIAGNOSTIC TROUBLE CODES -> CLEARING DIAGNOSTIC TROUBLE CODES (DTCs) -> DIAGNOSTIC TROUBLE CODE (DTC) INTERPRETATION -> DIAGNOSTIC TROUBLE CODE (DTC) TESTING -> DIAGNOSTICS TEST SELECTOR -> INPUT CIRCUIT TESTING -> OUTPUT CIRCUIT TESTING/ACTUATOR TESTS
Vehicle: 1994 Jeep Grand Cherokee Limited 4.0 L6 GAS

The ATC controller is designed with on-board diagnostics which is capable of troubleshooting each input and output circuit of the system. If a fault is detected and is put into memory, an "Er" is momentary displayed, but only once during an ignition cycle. This system is capable of the following three different groups of testing:

  • Diagnostic Trouble Codes.
  • Input Circuit Testing.
  • Output Circuit Testing/Actuator Tests.

DIAGNOSTICS TEST SELECTOR

The diagnostics test selector is the same as the temperature control panel. This test selector is used to...

CLICK HERE TO GET FULL ACCESS TO 1994 Jeep Grand Cherokee A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1994 Jeep Grand Cherokee 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 1994 Jeep Grand Cherokee cars and light trucks from 1990+

Component Replacement & Adjustment -> Light Trucks & Vans -> ADJUSTMENTS -> Dakota, Full Size Vans & Minivans -> TEMPERATURE/BLEND AIR DOOR CABLE
Vehicle: 1994 Jeep Grand Cherokee Limited 5.2 V8 GAS

TEMPERATURE/BLEND AIR DOOR CABLE

Dakota, Full Size Vans & Minivans
...

CLICK HERE TO GET FULL ACCESS TO 1994 Jeep Grand Cherokee A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1994 Jeep Grand Cherokee 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 1994 Jeep Grand Cherokee cars and light trucks from 1990+

Component Replacement & Adjustment -> Light Trucks & Vans -> VACUUM RESERVOIR, REPLACE -> FULL SIZE PICKUPS -> GRAND CHEROKEE
Vehicle: 1994 Jeep Grand Cherokee Limited 5.2 V8 GAS

FULL SIZE PICKUPS

  • Disconnect battery ground cable, then remove cowl cover and disconnect vacuum hose.
  • Remove reservoir mounting screws, then the reservoir.
  • Reverse procedure to install.

GRAN...

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