Saturday, June 15, 2019

2019 Cadillac Truck Escalade AWD V8-6.2L Diagnostic Instructions Page 238


锟斤拷 If not within the specified range, replace the sensor.



Repair Instructions



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



* Air Temperature Sensor Replacement - Upper Auxiliary (See: Heating and Air Conditioning/Discharge Air Temperature Sensor /



Switch/Service and Repair/Air Temperature Sensor Replacement - Upper Auxiliary)



* Duct Air Temperature Sensor Replacement - Upper Right Side (See: Heating and Air Conditioning/Discharge Air Temperature Sensor /



Switch/Service and Repair/Duct Air Temperature Sensor Replacement - Upper Right Side)



* Duct Air Temperature Sensor Replacement - Upper Left Side (See: Heating and Air Conditioning/Discharge Air Temperature Sensor /



Switch/Service and Repair/Duct Air Temperature Sensor Replacement - Upper Left Side)



* Air Temperature Sensor Replacement - Lower Auxiliary (Delphi) (See: Heating and Air Conditioning/Discharge Air Temperature Sensor /



Switch/Service and Repair/Air Temperature Sensor Replacement - Lower Auxiliary (Delphi))



* Duct Air Temperature Sensor Replacement - Lower Left Side (See: Heating and Air Conditioning/Discharge Air Temperature Sensor /



Switch/Service and Repair/Duct Air Temperature Sensor Replacement - Lower Left Side)



* Duct Air Temperature Sensor Replacement - Lower Right Side (See: Heating and Air Conditioning/Discharge Air Temperature Sensor /



Switch/Service and Repair/Duct Air Temperature Sensor Replacement - Lower Right Side)



* Ambient Air Temperature Sensor Replacement (See: Heating and Air Conditioning/Ambient Temperature Sensor / Switch HVAC/Service



and Repair)



* Inside Air Temperature Sensor Replacement (See: Heating and Air Conditioning/Cabin Temperature Sensor / Switch/Service and Repair)



* Auxiliary Inside Air Temperature Sensor Assembly Replacement (See: Heating and Air Conditioning/Discharge Air Temperature Sensor /



Switch/Service and Repair/Auxiliary Inside Air Temperature Sensor Assembly Replacement)



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



programming



B0514



DTC B0158, B0163, B0168, B0173, B0178, B0509, B0514, B3578, or B3583



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 B0158 02



- Outside Air Temperature Sensor Circuit Short to Ground



DTC B0158 05



- Outside Air Temperature Sensor Circuit Short to Battery or Open



DTC B0163 02



- Passenger Compartment Temp Sensor 1 Circuit Short to Ground



DTC B0163 05



- Passenger Compartment Temp Sensor 1 Circuit Short to Battery or Open



DTC B0168 02



- Passenger Compartment Temp Sensor 2 Circuit Short to Ground



DTC B0168 05



- Passenger Compartment Temp Sensor 2 Circuit Short to Battery or Open



DTC B0173 02



- Output Air Temperature Sensor 1 Circuit Short to Ground



DTC B0173 05



- Output Air Temperature Sensor 1 Circuit Short to Battery or Open



DTC B0178 02



- Output Air Temperature Sensor 2 Circuit Short to Ground

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