Dodge ZB 2005 Service Manual page 1647

IGNITION, POWER, ACCESSORY
HORN SWITCH STUCK —
TEST
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.
Remove the Driver airbag and disconnect the horn switch connector.
Disconnect the BCM C4 connector.
Measure the resistance between ground and the Horn Switch Sense circuit at the
BCM connector.
Is the resistance below 5.0 ohms?
Yes → Go To 4
→ Replace the horn switch as necessary.
No
4 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.
Disconnect the Clockspring C1 connector.
Disconnect the BCM C4 connector.
Measure the resistance between ground and the Horn Switch Sense circuit at the
BCM connector.
Is the resistance below 5.0 ohms?
Yes → Repair the Horn Switch Sense circuit for a short to ground.
→ Replace the clockspring.
No
Continued
ACTION
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
266
APPLICABILITY
All
All