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Home >> Volvo >> 2003 >> C70 2.3 53, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Electronic Climate Control (ECC), Manual Climate Control (MCC), Heater Module (HEA) - Diagnostic Trouble Code (DTC) Diagnostics - 1 Of 2 (Coupe)) >> ECC-211, ECC-212, ECC-231, ECC-232 Damper Motor Position Sensor (1998-2002) >> Common Data, ECC-211, ECC-212, ECC-231 and ECC-232 >> Verification

Common Data, ECC-211, ECC-212, ECC-231 and ECC-232: Verification

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Engine Start Verification
GLL101037Courtesy of VOLVO CARS OF NORTH AMERICA.
  1. Run the engine to normal operating temperature
  2. Check the cooling function of the climate control system. Set the air distribution selector to the Vent position
  3. Set the AC button to the ON position. Disengage the recirculation position (no recirculation)
  4. Fully open the side vents. Close the central vents
  5. Set the blower fan to maximum speed. Set both temperature selectors to maximum cooling
  6. Hold a hand over both the side vents to feel the air flow. Check that there is good cooling. Check that the amount of cooling is the same from both sides
  7. Then check the heat function with the engine at operating temperature
  8. Keep the AC button in the ON position with recirculation disengaged
  9. Set the blower fan to maximum speed. Set both temperature selectors to maximum heat
  10. Hold a hand over both the side vents to feel the air flow. Check that there is good heating. Check that the amount of heat is the same from both sides.

Is the climate control functioning? 

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