2010 Cadillac CTS Sedan AWD V6-3.6L Page 391
* AFL motor control terminal 4
瀚慖f the test lamp illuminates, test the control circuit for a short to voltage. If the circuit tests normal, replace the headlamp control module.
6. If all circuits test normal, replace the appropriate headlamp assembly.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement (TT6) (See: Lighting and
Horns/Headlamp/Service and Repair/Removal and Replacement/Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park,
Turn Signal Bulb Replacement (TT6))Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb
Replacement (TT7) (See: Lighting and Horns/Headlamp/Service and Repair/Removal and Replacement/Headlamp Assembly or Headlamp
Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement (TT7))Headlamp Assembly or Headlamp Bulb and/or Cornering,
Sidemarker, Park, Turn Signal Bulb Replacement (TT8) (See: Lighting and Horns/Headlamp/Service and Repair/Removal and
Replacement/Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement (TT8))Headlamp
Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement (Without TT6/TT7/TT8/T84/T85) (See:
Lighting and Horns/Headlamp/Service and Repair/Removal and Replacement/Headlamp Assembly or Headlamp Bulb and/or Cornering,
Sidemarker, Park, Turn Signal Bulb Replacement (Without TT6/TT7/TT8/T84/T8)
* Control Module References (See: Testing and Inspection/Programming and Relearning) for headlamp control module replacement, setup,
and programming
B1462
DTC B1461 or B1462
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 B1461 00
- Left Headlamp Horizontal Motor Circuit No Additional Information
DTC B1461 02
- Left Headlamp Horizontal Motor Circuit Short to Ground
DTC B1461 39
- Left Headlamp Horizontal Motor Circuit Internal Electronic Failure
DTC B1461 54
- Left Headlamp Horizontal Motor Circuit Temperature High
DTC B1462 00
- Right Headlamp Horizontal Motor Circuit No Additional Information
DTC B1462 02
- Right Headlamp Horizontal Motor Circuit Short to Ground
DTC B1462 39
- Right Headlamp Horizontal Motor Circuit Internal Electronic Failure
DTC B1462 54
- Right Headlamp Horizontal Motor Circuit Temperature High
Diagnostic Fault Information
