Escalade ESV RWD V8-6.2L (2010)
3. Test for 0.9 - 10 Ohms between the heat control circuit terminal 1 and the cool control circuit terminal 3.
‹› If not within the specified range, replace the ventilation heating and cooling module.
Important: The test leads must be connected in the correct polarity, otherwise higher out of range values will appear. Use the Positive
Lead for the control circuit and the Negative Lead for the ground circuit.
4. Test for 6 k - 9 kOhms between blower control circuit terminal 2 and the low reference circuit terminal 4.
‹› If not within the specified range, replace the ventilation heating and cooling module.
Important: The test leads need to be connected in the correct polarity, otherwise higher out of range values will appear. Use the Positive
Lead for the speed control circuit and the Negative Lead for the ground circuit.
5. Test for 290 k - 420 kOhms between blower speed control circuit terminal 7 and the low reference circuit terminal 4.
‹› If not within the specified range, replace the ventilation heating and cooling module.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic Trouble
Code Tests and Associated Procedures/Verification Tests and Procedures) after completing the diagnostic procedure.
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Driver or Passenger Seat Back Ventilation Heating and Cooling Blower Replacement (See: Service and Repair)
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Driver or Passenger Seat Cushion Ventilation Heating and Cooling Blower Replacement (See: Service and Repair)
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Control Module References (See: Testing and Inspection/Programming and Relearning) for the MSM and CCSM replacement, setup, and
programming
Heated/Cooled Seats Inoperative (Chevrolet or GMC, KB6)
Heated/Cooled Seats Inoperative (Chevrolet or GMC, KB6)
Diagnostic Instructions
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Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
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Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
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Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure Instructions)
provides an overview of each diagnostic category.
Diagnostic Fault Information
