2010 Cadillac CTS Sedan AWD V6-3.6L Page 391

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