Pinpoint Test R: One Turn Signal Lamp Is Always On
WARNING: This page is about a different car, the 2005 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
- R1 CHECK THE CONTROL GROUND CIRCUIT FOR A SHORT TO GROUND
- Key in OFF position.
- Disconnect: FEM C201 a or REM C420e.
- Key in ON position.
- Observe the turn signal lamp after disconnecting the FEM (front turn signal lamp always on) or REM (rear turn signal lamp always on).
- Does the lamp continue to illuminate?
- R2 CHECK FEM OPERATION
- Key in OFF position.
- Disconnect all FEM connectors.
- Check for:
- corrosion
- pushed-out pins
- Connect all FEM connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
- Yes : INSTALL a new FEM. REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
- No : The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. REPEAT the self-test.
- R3 CHECK REM OPERATION
- Key in OFF position.
- Disconnect all REM connectors.
- Check for:
- corrosion
- pushed-out pins
- Connect all REM connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
- Yes : INSTALL a new REM. REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
- No : The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. REPEAT the self-test.