Yes | GO to L5 |
|---|---|
No | For vehicles without a memory seat, GO to L7 For vehicles with a memory seat, GO to L12 |
L5 CHECK THE DOOR LOCK INDICATOR GROUND CIRCUIT
Measure:
Click to display connectors
Left Front Door
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C573-6 | C573-4 |
Click to display connectors
Right Front Door
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C649-6 | C649-4 |
Is the voltage greater than 11 volts?
Yes | INSTALL a new door lock indicator harness. |
|---|---|
No | GO to L6 |
L6 CHECK THE DOOR LOCK INDICATOR GROUND CIRCUIT FOR AN OPEN
Ignition OFF. Disconnect Body Control Module B (BCM-B) C4368A. Measure:
Click to display connectors
Left Front Door
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C573-4 | C4368A-24 |
Click to display connectors
Right Front Door
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C649-4 | C4368A-24 |
Is the resistance less than 3 ohms?
Yes | GO to L16 |
|---|---|
No | REPAIR the circuit. |
L7 CHECK FOR BCM (BODY CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE) B1490:11
Ignition OFF. Connect suspect door lock indicator harness connector. Ignition ON. Using a diagnostic scan tool, carry out the BCM self-test.
Is DTC B1490:11 present?
Yes | GO to L8 |
|---|---|
No | GO to L11 |
L8 CHECK THE LEFT DOOR LOCK INDICATOR FOR A SHORT TO GROUND
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.