Horn Switch Stuck - Dodge ZB 2005 Service Manual

Symptom:

HORN SWITCH STUCK

When Monitored and Set Condition:
HORN SWITCH STUCK
When Monitored: Continuously.
Set Condition: When the Horn Switch Sense is below .025 volts for over 30 seconds.
INTERMITTENT CONDITION
HORN SWITCH SENSE CIRCUIT SHORTED TO GROUND
HORN SWITCH
CLOCKSPRING
BODY CONTROL MODULE
TEST
1 Turn the ignition on.
With the DRBIII , erase the current Body Control Module DTC's.
Turn the ignition off, wait 10 seconds then turn the ignition on.
With the DRBIII , read the current Body Control Module DTC's.
Does the DRBIII display: HORN SWITCH STUCK?
Yes → Go To 2
→ The condition that caused this symptom is currently not present.
No
2 Turn the ignition off.
Disconnect the BCM C4 connector.
Measure the resistance between ground and the Horn Switch Sense circuit at the
BCM C4 connector.
Is the resistance below 5.0 ohms?
Yes → Go To 3
→ Replace the Body Control Module.
No
POSSIBLE CAUSES
ACTION
Inspect the related wiring harness for a possible intermittent
condition.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
IGNITION, POWER, ACCESSORY
265
APPLICABILITY
All
All