Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
LH Headlamp Relay Socket Pin 1 | Ground | |
LH Headlamp Relay Socket Pin 3 | Ground |
Click to display connectors
RH Headlamp
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
RH Headlamp Relay Socket Pin 1 | Ground | |
RH Headlamp Relay Socket Pin 3 | Ground |
Is the voltage greater than 11 volts?
Yes | GO to B5 |
|---|---|
No | For LH or RH headlamp relay socket pin 1, GO to B4 For LH or RH headlamp relay socket pin 3, REPAIR the circuit. |
B4 REPEAT THE ON-DEMAND SELF-TEST AND CHECK FOR VOLTAGE TO THE HEADLAMP RELAY
Using a diagnostic scan tool, perform the BCM self-test. Clear the Diagnostic Trouble Codes (DTCs) and repeat the self-test (required to enable the lamp output driver if DTC U1000:00 is present). Measure:
Click to display connectors
LH Headlamp
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
LH Headlamp Relay Socket Pin 1 | Ground |
Click to display connectors
RH Headlamp
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
RH Headlamp Relay Socket Pin 1 | Ground |
Is the voltage greater than 11 volts?
Yes | INSTALL a new headlamp relay. |
|---|---|
No | GO to B10 |
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.