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.
2002 Chrysler Intrepid BaseFACTORY OEM SERVICE PROCEDURE
Manual A/C System Test
NOTE:
After making any repairs, perform BODY VERIFICATION TEST
under VERIFICATION TESTS.
Possible Causes:
- Manual A/C System Test
Testing
- Ensure there is vehicle communication with the BCM and the PCM before proceeding. If not, see DIAGNOSTIC TROUBLE CODE IDENTIFICATION or SYMPTOM IDENTIFICATION tables for related symptoms.
- With the scan tool, read engine DTC's. If any climate control related DTC's are present, see DIAGNOSTIC TROUBLE CODE IDENTIFICATION or SYMPTOM IDENTIFICATION tables for related symptoms.
- With the scan tool, read the body DTC's. If any climate control related codes are present, continue with testing. If no codes are present, recalibrate the doors and recheck the system. See MANUAL A/C-HEATER SYSTEMS - CONCORDE & INTREPID article in HVAC.
- Record and erase the code(s). Turn the blower ON, set the temperature control at mid position, start engine and with the scan tool read DTC's. If no code appears, slowly turn the temperature control from cold to hot, then back to cold while observing the scan tool. If a code appears, perform appropriate test. See DIAGNOSTIC TROUBLE CODE IDENTIFICATION table.
- If a code still does not appear, turn the mode switch to each position, waiting 20 seconds between each one. Momentarily press the A/C and rear defogger buttons. Upon seeing the first code appear, stop and perform the appropriate test.
- If multiple codes appear, repair any that relate to a short circuit first. If a short to battery code is set, all 4 output shorted to battery codes will appear. It will then be necessary to isolate each circuit to determine which is at fault.
- If DTC's have appeared, see DIAGNOSTIC TROUBLE CODE IDENTIFICATION table. If no codes have appeared, recalibrate the doors, reset the BCM and recheck the climate control system performance. See MANUAL A/C-HEATER SYSTEMS - CONCORDE & INTREPID article in HVAC.
Factory Service Tools
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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.
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