Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1994SUNDANCE BASE, 2D HATCHBACK, 2.2 D, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 17 (A/C-HEATER SYSTEM - AUTOMATIC)
1994 Plymouth Sundance Base, 2D Hatchback, 2.2 D, Automatic
Section 17 (A/C-Heater System - Automatic)
1994 Plymouth Sundance Base, 2D Hatchback, 2.2 D, AutomaticSECTION Section 17 (A/C-Heater System - Automatic)
WARNING: This page is about a different car, the 1994 Eagle Vision, 1994 Dodge Intrepid, 1994 Chrysler New Yorker, 1994 Chrysler LHS, and 1994 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.
- A/C System Specifications
- Description
- Operation
- Adjustments
- Trouble Shooting
- Self-Diagnostic System
- Test 15E - Outside Temperature Sensor
- Test 17A - Automatic Temperature Control
- Test 17B - Blower Runs At High Speed Only
- Test 17C - Inoperative Mode Door
- Test 17D - Inoperative Blend Door
- Test 17E - Charging System Test
- Test 17F - SUNLOAD Sensor Test
- Test 18A - Ignition Switch Output Circuit
- Test 19A - Reading BCM Trouble Codes
- Test 19B - Engine Temp MSG Test Failed
- Test 20A - ATC Head Switches
- Test 22A - Inoperative Blower Motor
- Test 22B - Blower Motor
- Test 23A - Aspirator Motor Circuit
- Test 24A - Inoperative A/C Compressor
- Test 25A - ATC Head Communication Failure
- Test 25B - In-Car Temperature Sensor
- Test 25C - ATC Blend Door Circuit
- Test 25D - ATC Mode Door Circuit
- Test 25E - ATC RECIRCULATION Door Circuit
- Test 25F - ATC Evaporator Temperature Sensor Circuit
- Test 25G - ATC SUNLOAD Sensor Circuit
- Test 25H - Blend Air Door Driver Circuit
- Test 25J - Mode Door Driver Circuit
- Test 54A - Fused Ignition Switch Output
- Verification Test
- Testing
- Removal & Installation
- * Please Read First *
- A/C-Heater Control Panel
- A/C Pressure Transducer
- A/C-Heater Assembly
- In-Vehicle Temperature Sensor
- Blower Motor Power Module
- Outside Air/RECIRCULATION Door Actuator
- Mode Door Actuator
- Temperature Door Actuator
- Blower Motor
- Blower Motor Resistor
- Compressor
- Compressor High Pressure Relief Valve
- Condenser
- Evaporator
- Evaporator Temperature Sensor
- Expansion Valve
- Heater Core
- Receiver-Drier
- Wiring Diagram
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.