Pinpoint Test C: The Headlamps Are On Continuously

WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

C1 DETERMINE THE ALWAYS ON HEADLAMPS
- Key in OFF position.
- Observe the headlamps while enabling the flash-to-pass feature.
- Are the low beam headlamps on continuously?
- Yes : GO to C2
- No : GO to C5.
C2 CHECK THE HEADLAMP SWITCH
- Disconnect: Headlamp Switch C205.
- Do the headlamps continue to illuminate?
- Yes : GO to C3.
- No : INSTALL a new headlamp switch. REFER to HEADLAMP SWITCH . TEST the system for normal operation.
C3 CHECK CIRCUIT 13 (RD/BK) FOR A SHORT TO POWER
- Disconnect: Multifunction Switch C202b.
- Do the headlamps continue to illuminate?
- Yes : REPAIR the circuit. TEST the system for normal operation.
- No : GO to C4.
C4 CHECK THE MULTIFUNCTION SWITCH
- Carry out the multifunction switch component test. Refer to COMPONENT TESTING for component testing.
- Is the multifunction switch OK?
- Yes : REPAIR circuit 15 (RD/YE). TEST the system for normal operation.
- No : INSTALL a new multifunction switch. REFER to STEERING COLUMN SWITCHES . TEST the system for normal operation.
C5 CHECK CIRCUIT 12 (LG/BK) FOR A SHORT TO POWER
- Disconnect: Multifunction Switch C202b.
- Do the headlamps continue to illuminate?
- Yes : INSTALL a new multifunction switch. REFER to STEERING COLUMN SWITCHES . TEST the system for normal operation.
- No : REPAIR the circuit. TEST the system for normal operation.