Pinpoint Test AF: The Turn Signal On Warning Chime Is Inoperative

WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

AF1 CHECK THE LCM CONFIGURATION
- Verify the turn signal on warning chime is enabled.
- Is the turn signal warning chime enabled?
1. YES : Go to AF2.
2. NO : ENABLE the turn signal on warning chime function. REFER to MODULE CONFIGURATION article. TEST the system for normal operation.
AF2 CHECK THE OPERATION OF THE TURN SIGNALS
- Key in ON position.
- Operate the turn signals.
- Do the turn signal lamps operate correctly?
1. YES : Go to AF3.
2. NO : REFER to EXTERIOR LIGHTING article to continue diagnosis of the turn signal lamps.
AF3 CHECK FOR RECORDED ABS MODULE DTCs
- Check for recorded ABS DTCs from the continuous and on-demand self-tests.
- Are any ABS module DTCs present?
1. YES : REFER to VEHICLE DYNAMIC SYSTEMS article to continue diagnosis of the ABS module.
2. NO : Go to AF4.
AF4 CHECK FOR CORRECT LCM OPERATION
- Disconnect all LCM connectors.
- Check for:
  - corrosion
  - damaged pins
  - pushed-out pins
- Connect all LCM connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
1. YES : INSTALL a new LCM. REFER to MULTIFUNCTION ELECTRONIC MODULES article.
2. NO : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.