Sunday, September 22, 2019

2019 Cadillac Truck Escalade AWD V8-6.2L Diagnostic Instructions Page 121


锟斤拷 If greater than the specified range, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the K36



SDM.



3. Ignition ON, test for 4-9 V between the signal circuit terminal 2 and ground.



锟斤拷 If less than the specified value, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the



K36 SDM.



锟斤拷 If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the K36 SDM.



4. If all circuits test normal, replace the B88 seat position sensor.



Repair Instructions



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



* Inflatable Restraint Seat Position Sensor Replacement (with HP2) (See: Restraints and Safety Systems/Air Bag Systems/Seat Position



Sensor/Service and Repair)Inflatable Restraint Seat Position Sensor Replacement (without HP2) (See: Restraints and Safety Systems/Air Bag



Systems/Seat Position Sensor/Service and Repair)



* SIR/SRS Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic



Procedures/Wiring Repairs/SIR/SRS Wiring Repairs)



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



B0080



DTC B0079 or B0080



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 B0079 01



- Driver Seat Position Sensor Circuit Short to Battery



DTC B0079 02



- Driver Seat Position Sensor Circuit Short to Ground



DTC B0079 04



- Driver Seat Position Sensor Circuit Open



DTC B0079 05



- Driver Seat Position Sensor Circuit High Voltage or Open



DTC B0079 06



- Driver Seat Position Sensor Circuit Low Voltage or Open



DTC B0079 08



- Driver Seat Position Sensor Circuit Performance-Signal Invalid



DTC B0079 0C



- Driver Seat Position Sensor Circuit Low Current



DTC B0080 01



- Passenger Seat Position Sensor Circuit Short to Battery



DTC B0080 02



- Passenger Seat Position Sensor Circuit Short to Ground



DTC B0080 04



- Passenger Seat Position Sensor Circuit Open



DTC B0080 05



- Passenger Seat Position Sensor Circuit High Voltage or Open