Thursday, April 15, 2021

2010 Cadillac CTS Sedan AWD V6-3.6L Page 424

2010 Cadillac CTS Sedan AWD V6-3.6L Page 424



* Front vertical downward switch terminal A (RHD)



* Rear vertical upward switch terminal F (LHD)



* Rear vertical upward switch terminal J (RHD)



* Rear vertical downward switch terminal J (LHD)



* Rear vertical downward switch terminal F (RHD)



* 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 seat adjuster switch.



Component Testing



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



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



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



3. Test for less than 1 Ohms between the B+ terminal E and each seat direction signal terminal with the appropriate switch in the closed



position.



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



Repair Instructions



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



* Front Seat Adjuster Switch Replacement - Driver Side (AQ9) (See: Body and Frame/Seats/Power Seat Switch/Service and Repair/Front



Seat Adjuster Switch Replacement - Driver Side (AQ9))Front Seat Adjuster Switch Replacement - Driver Side (W2E) (See: Body and



Frame/Seats/Power Seat Switch/Service and Repair/Front Seat Adjuster Switch Replacement - Driver Side (W2E))



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



B1740



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



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 B1735 01



- Seat Front Up Switch Circuit Short to Battery



DTC B1740 01



- Seat Front Down Switch Circuit Short to Battery



DTC B1745 01



- Seat Rear Up Switch Circuit Short to Battery



DTC B1750 01



- Seat Rear Down Switch Circuit Short to Battery



DTC B1755 01



- Seat Assembly Forward Switch Circuit Short to Battery



DTC B1760 01



- Seat Assembly Rearward Switch Circuit Short to Battery



DTC B1815 01



- Seat Recline Forward Switch Circuit Short to Battery

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