B2339

B2339-HORN SWITCH STUCK





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

- When Monitored:
Continuously.

- Set Condition:
The Cluster senses that the Horn switch is in the Set position for greater than 50 seconds.





1. CHECK FOR AN ACTIVE 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. Operate the Horn Switch several times.
3. Wait 1 minute.
4. With the scan tool, read DTCs.

Does the scan tool display this DTC as active?

Yes

- Go To 2

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.

2. HORN SWITCH

WARNING: Turn the ignition off, disconnect the battery and wait two minutes before proceeding.

WARNING: Do not place an intact undeployed airbag face down on a hard surface, the airbag will propel into the air if accidentally deployed, and could results in serious or fatal injury.

1. Remove the Driver Airbag.
2. Disconnect the Horn Switch harness connector.

NOTE: Before proceeding, thoroughly inspect the wiring harness and connectors between the Horn Switch for a short to ground or to any other circuit.

3. With the scan tool, read DTCs.

Does the scan tool display this DTC as active?

Yes

- Go To 3

No

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

3. CLOCKSPRING
1. Disconnect the Clockspring C2 harness connector.
2. Wait 1 minute.
3. With the scan tool, read DTCs.

Does the scan tool display this DTC as active?

Yes

- Go To 4

No

- Replace the Clockspring.
- Perform BODY VERIFICATION TEST. Body Verification Test.

4. (X3) HORN SWITCH SIGNAL CIRCUIT SHORTED TO GROUND




1. Disconnect the Cluster C3 connector.
2. Measure the resistance between ground and the (X3) Horn Switch circuit.

Is the resistance below 5.0 ohms?

Yes

- Repair the short to ground in the (X3) Horn Switch circuit.
- Perform BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Cluster.
- Perform BODY VERIFICATION TEST. Body Verification Test.