Tuesday, July 16, 2019

2019 Cadillac Truck Escalade AWD V8-6.2L Diagnostic Instructions Page 573


锟斤拷 If not the specified value, test the control circuits listed below for a short to ground:



* Left rear seat cushion terminal 3



* Left rear seat cushion terminal 5



3. Test for infinite resistance between the control circuit terminal 6 and ground.



锟斤拷 If not the specified value, test the control circuits listed below for a short to ground:



* Right rear seat cushion terminal 6



* Right rear seat cushion terminal 2



4. Ignition ON, verify that a test lamp does not illuminate between the control circuit terminal 3 and ground.



锟斤拷 If the test lamp illuminates, test the control circuits listed below for a short to voltage:



* Left rear seat cushion terminal 3



* Left rear seat cushion terminal 5



5. Verify that a test lamp does not illuminate between the control circuit terminal 6 and ground.



锟斤拷 If the test lamp illuminates, test the control circuits listed below for a short to voltage:



* Right rear seat cushion terminal 6



* Right rear seat cushion terminal 2



6. If all circuits test normal, replace the RHSM.



Repair Instructions



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



* Rear Seat Cushion Heater Replacement ()



* Control Module References (See: Testing and Inspection/Programming and Relearning) for the RHSM replacement, setup, and programming



B2530



DTC B2530



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 Descriptor



DTC B2530 00



- Front Fog Lamps Control Circuit



Diagnostic Fault Information



Circuit/System Description

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