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2010 Cadillac Truck SRX AWD V6-3.0L Page 501

2010 Cadillac Truck SRX AWD V6-3.0L Page 501



Procedures/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



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



Repairs/Wiring Repairs)



Scan Tool Reference



Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information



Circuit/System Verification



Ignition ON, observe the scan tool Seat Memory Control Module seat switch parameters listed below while pressing and releasing the appropriate



seat directional switch. The readings should change between Inactive and Forward/Rearward or UP/Down.



* Driver Seat Cushion Front Vertical Switch



* Driver Seat Cushion Rear Vertical Switch



* Driver Seat Horizontal Switch



* Driver Seat Back Switch



Circuit/System Testing



1. Ignition OFF, disconnect the harness connector at the S64D driver seat adjuster switch.



2. Verify that all scan tool driver seat switch parameters listed below are Inactive:



* Driver Seat Cushion Front Vertical Switch



* Driver Seat Cushion Rear Vertical Switch



* Driver Seat Horizontal Switch



* Driver Seat Back Switch



瀚慖f not the specified value, test the appropriate signal circuit listed below for a short to ground. If the circuit tests normal, replace the K40



seat memory control module.



* Front vertical upward switch terminal A



* Front vertical downward switch terminal K



* Rear vertical upward switch terminal F



* Rear vertical downward switch terminal J



* Horizontal forward switch terminal D



* Horizontal rearward switch terminal C



* Recline forward switch terminal H



* Recline rearward switch terminal G



3. If all circuits test normal, test or replace the S64D driver seat adjuster switch.



Component Testing



1. Ignition OFF, disconnect the harness connector at the S64D driver seat adjuster switch.



2. Test for infinite resistance between the ground terminal E and each seat direction signal terminal with the switch in the open position.



瀚慖f not the specified value, replace the S64D driver seat adjuster switch.



3. Test for less than 2 Ohms between the ground terminal E and each signal terminal with the appropriate switch in the closed position.



瀚慖f greater than the specified value, replace the S64D driver seat adjuster switch.



Repair Instructions



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



* Driver Seat Adjuster Switch Replacement (See: Body and Frame/Seats/Power Seat Switch/Service and Repair/Driver Seat Adjuster Switch



Replacement)



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



and programming



B1820



DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820



Diagnostic Instructions

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