Horns Inoperative - Dodge ZB 2005 Service Manual

Symptom:

*HORNS INOPERATIVE

HORNS
CLOCKSPRING
HORN SWITCH
HORN SWITCH GROUND
HORN SWITCH SENSE OPEN
CHECK FOR BCM DTC'S
HORN RELAY
HORN RELAY OUTPUT CIRCUIT OPEN
HORN GROUND CIRCUIT OPEN
BODY CONTROL MODULE
TEST
1 Turn the ignition on.
With the DRBIII , read the current Body Control Module DTC's.
Does the DRBIII display any Horn related DTC's?
Yes → Refer to Ignition, Power, Accessory for the related symptom(s).
→ Go To 2
No
2 With the DRBIII , actuate the Horn Relay.
Do the horns operate?
Yes → Go To 3
→ Go To 7
No
3 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 RESULT IN SERIOUS OR
FATAL INJURY.
Gain access to the horn switch.
Inspect the Horn Switch ground circuit.
Is the Horn Switch ground wire connected properly?
Yes → Go To 4
→ Repair the horn switch ground as necessary.
No
POSSIBLE CAUSES
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
IGNITION, POWER, ACCESSORY
267
APPLICABILITY
All
All
All