Thursday, April 29, 2021

2010 Cadillac Truck SRX FWD V6-3.0L Page 101

2010 Cadillac Truck SRX FWD V6-3.0L Page 101



replace the K33 HVAC Control Module.



瀚慖f greater than the specified range, test the reference voltage circuit for a short to voltage. If the circuit tests normal, replace the K33



HVAC Control Module.



4. If all circuits test normal, replace the B160 Windshield Temperature and Inside Moisture Sensor.



Humidity Sensor Humidity Circuit Malfunction



1. Ignition OFF, disconnect the harness connector at the B160 Windshield Temperature and Inside Moisture Sensor.



2. Test for 4.8-5.2 V between the signal circuit terminal 2 and ground.



瀚慖f less than the specified range, test the signal circuit terminal for a short to ground or open/high resistance. If the circuit tests normal,



replace the K33 HVAC Control Module.



瀚慖f greater than the specified range, test the signal circuit terminal for a short to battery. If the circuit tests normal, replace the K33 HVAC



Control Module.



3. If all circuits test normal, replace the B160 Windshield Temperature and Inside Moisture Sensor.



Humidity Sensor Temperature Circuit Malfunction



1. Ignition OFF, disconnect the harness connector at the B160 Windshield Temperature and Inside Moisture Sensor.



2. Ignition ON, test for 4.8-5.2 V between the signal circuit terminal 5 and ground.



瀚慖f less than the specified range, test the signal circuit terminal for a short to ground or open/high resistance. If the circuit tests normal,



replace the K33 HVAC Control Module.



瀚慖f greater than the specified range, test the signal circuit terminal for a short to battery. If the circuit tests normal, replace the K33 HVAC



Control Module.



3. If all circuits test normal, replace the B160 Windshield Temperature and Inside Moisture Sensor and verify the DTC does not reset.



Windshield Temperature Sensor Circuit Malfunction



1. Ignition OFF, disconnect the harness connector at the B160 Windshield Temperature and Inside Moisture Sensor.



2. Ignition ON, test for 4.8-5.2 V between the signal circuit terminal 4 and ground.



瀚慖f less than the specified range, test the signal circuit terminal for a short to ground or open/high resistance. If the circuit tests normal,



replace the K33 HVAC Control Module.



瀚慖f greater than the specified range, test the signal circuit terminal for a short to battery. If the circuit tests normal, replace the K33 HVAC



Control Module.



3. If all circuits test normal, replace the B160 Windshield Temperature and Inside Moisture Sensor and verify the DTC does not reset.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* HVAC Component Replacement Reference (See: Heating and Air Conditioning/Service and Repair/Removal and Replacement)



* Control Module References (See: Testing and Inspection/Programming and Relearning) for HVAC control module replacement, setup, and



programming



B0019



DTC B0014-B0045



Diagnostic Instructions



* 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.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptors



DTC B0014 01



- Driver Seat Side Air Bag Deployment Loop Short to Battery



DTC B0014 02



- Driver Seat Side Air Bag Deployment Loop Short to Ground

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