Dodge ZB 2005 - Page 1643

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Remove the Horn Relay from the Power Distribution Center.
Substitute the original Horn Relay with a known good relay.
Turn the ignition on.
With the DRBIIIt, erase the current Body Control Module DTCs.
Turn the engine off, wait 10 seconds then turn the ignition on.
Attempt to operate the horn.
With the DRBIIIt, read the current Body Control Module DTC’s.
Does the DRBIIIt display: HORN RELAY COIL OPEN/SHORT TO GROUND?
All
Yes → Go To 4
No → Replace the original Horn Relay.
Perform BODY VERIFICATION TEST - VER 1.
4 Turn the ignition off.
Remove the Horn Relay from the Power Distribution Center.
Disconnect the Body Control Module C2 connector.
Measure the resistanceof the HornRelay Control circuitat the HornRelay connector
to ground.
Is the resistance below 5.0 ohms?
All
Yes → Repair the Horn Relay Control circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No → Go To 5
5 Turn the ignition off.
Remove the Horn Relay from the Power Distribution Center.
Disconnect the Body Control Module C2 connector.
Measure the resistance of theHorn Relay Control circuit betweenthe BCM connector
and the Horn Relay connector.
Is the resistance below 5.0 ohms?
All
Yes → Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No → Repair the Horn Relay Control circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
262
IGNITION, POWER, ACCESSORY
HORN RELAY COIL OPEN/SHORT TO GROUND — Continued