Horn Fails To Sound With Alarm Tripped - Chrysler Concorde 2004 Service Manual

VEHICLE THEFT/SECURITY
Symptom:

*HORN FAILS TO SOUND WITH ALARM TRIPPED

CHECK HORN OPERATION
JUNCTION BLOCK - OPEN HORN RELAY CONTROL CIRCUIT
BODY CONTROL MODULE-OPEN HORN RELAY CONTROL CIRCUIT
TEST
1 Push the Horn Button on the Steering Wheel.
Does the Horn operate properly?
Yes → Go To 2
→ Check for and diagnose related Body Control Module Diagnostic
No
2 Remove the BCM from the junction block.
Using a 12-volt test light connected to 12-volts, probe the Horn Relay Control circuit
at the J/B side of the Junction Block-to-Body Control Module connector.
While monitoring the test light, press the horn button on the steering wheel.
Did the test light illuminate when the horn button was pressed?
Yes → Replace and program the Body Contol Module.
→ Replace the Junction Block in accordance with the Service Infor-
No
POSSIBLE CAUSES
ACTION
Trouble Codes. If there are no DTCs present, refer to the Service
Information to diagnose the horn system.
Perform VTSS VERIFICATION TEST - 1A.
mation.
Perform VTSS VERIFICATION TEST - 1A.
524
APPLICABILITY
All
All