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 MANUALSCHRYSLER1999CIRRUS L4-2.4L VIN XREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYTESTING AND INSPECTION
1999 Chrysler Cirrus L4-2.4L VIN X
Control Assembly: Testing and Inspection
1999 Chrysler Cirrus L4-2.4L VIN XSECTION Testing and Inspection
The control switch and timer circuit may be tested in the vehicle with or without scan tool (DRB).
Testing With Scan Tool
- For testing of the Heating and Air Conditioning Control System, refer to Body Control Module, Testing and Inspection.
Testing Without Scan Tool
1. Remove the control switch from console and disconnect control switch.
2. Using a ohmmeter, check leads between Pins 5 and 8 of the 8-Way connector. Turn the control module to each position shown on Control Module Test table. The resistance reading should be within the specifications shown. If not OK, replace the control module. If OK, check:
- Blown fuse
- Cut wire
- Poor ground
- Poor connection
- Defective BCM
- Bulkhead connector inoperative
Testing With Scan Tool
- For testing of the Heating and Air Conditioning Control System, refer to Body Control Module, Testing and Inspection.
Testing Without Scan Tool
HVAC Control Module Connector:
Control Module Test:
1. Remove the control switch from console and disconnect control switch.
2. Using a ohmmeter, check leads between Pins 5 and 8 of the 8-Way connector. Turn the control module to each position shown on Control Module Test table. The resistance reading should be within the specifications shown. If not OK, replace the control module. If OK, check:
- Blown fuse
- Cut wire
- Poor ground
- Poor connection
- Defective BCM
- Bulkhead connector inoperative
RENDER: 1.0x
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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.