B2378

B2378-FLASH TO PASS SWITCH CIRCUIT

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
With the ignition on.

- Set Condition:
The Cluster detects the Flash to Pass function inoperative.





CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)

NOTE: Before proceeding with this diagnostic procedure, verify the Left and Right Multifunction Switch and Clockspring harness connectors are properly seated and verify proper pin terminal tension. A loose connection at any of these connectors may cause this DTC to set.

1. Turn the ignition on.
2. Actuate the Optical Horn with the Multifunction Switch.
3. Using the scan tool, read DTCs.

Does the scan tool display this DTC as Active?

Yes

- Replace the Left Multifunction Switch.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.