Friday, April 23, 2021

2010 Cadillac CTS Sedan AWD V6-3.6L Page 332

2010 Cadillac CTS Sedan AWD V6-3.6L Page 332



* Right rear speaker output (-) - terminal 14 X2



* Front center speaker output (+) - terminal 13 X2



* Front center speaker output (-) - terminal 12 X2



* Left rear subwoofer speaker output (+) - terminal 5 X1



* Left rear subwoofer speaker output (-) - terminal 6 X1



* Right front speaker output (+) - terminal 7 X1



* Right front speaker output (-) - terminal 3 X1



* Left front speaker output (+) - terminal 1 X1



* Left front speaker output (-) - terminal 2 X1



* Right front speaker output (+) - terminal 7 X1



* Right front speaker output (-) - terminal 3 X1



* Left rear midrange speaker output (+) - terminal 11 X2



* Left rear midrange speaker output (-) - terminal 10 X2



瀚慖f greater than the specified range, test both circuits of the affected speaker for a short to voltage.



3. Radio ON, test for greater than 1 ohm between the appropriate signal circuit terminal listed below and ground:



* Left front tweeter speaker output (+) - terminal 4 X2



* Left front tweeter speaker output (-) - terminal 5 X2



* Right front tweeter speaker output (+) - terminal 7 X2



* Right front tweeter speaker output (-) - terminal 6 X2



* Left rear speaker output (+) - terminal 16 X2



* Left rear speaker output (-) - terminal 8 X2



* Right rear speaker output (+) - terminal 15 X2



* Right rear speaker output (-) - terminal 14 X2



* Front center speaker output (+) - terminal 13 X2



* Front center speaker output (-) - terminal 12 X2



* Left rear subwoofer speaker output (+) - terminal 5 X1



* Left rear subwoofer speaker output (-) - terminal 6 X1



* Right front speaker output (+) - terminal 7 X1



* Right front speaker output (-) - terminal 3 X1



* Left front speaker output (+) - terminal 1 X1



* Left front speaker output (-) - terminal 2 X1



* Right front speaker output (+) - terminal 7 X1



* Right front speaker output (-) - terminal 3 X1



* Left rear midrange speaker output (+) - terminal 11 X2



* Left rear midrange speaker output (-) - terminal 10 X2



瀚慖f less than the specified range, test both circuits of the affected speaker for a short to ground.



4. If all circuits test normal, reconnect all harness connectors at the amplifier.



5. Ignition ON, radio ON, disconnect the appropriate speaker.



6. Test for 5.0-7.5 volts between the signal circuit terminals and ground.



瀚慖f less then the specified range test the circuit for an open/high resistance. If the circuit tests normal, replace the amplifier.



7. If the circuit tests normal, test or replace the appropriate speaker.



Repair Instructions



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



* Speaker Replacement Reference (See: Accessories and Optional Equipment/Testing and Inspection/Symptom Related Diagnostic



Procedures/Cellular, Entertainment, and Navigation/Speaker Replacement Reference)



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



B1125



DTC B1025-B1125



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) provide an overview of each diagnostic category.

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