Dome Switch Input Short - Dodge ZB 2005 Service Manual

Symptom:

DOME SWITCH INPUT SHORT

When Monitored and Set Condition:
DOME SWITCH INPUT SHORT
When Monitored: Continuously
Set Condition: When the input voltage is less than 0.2 volts for over 10 seconds.
INTERMITTENT CONDITION
PANEL LAMPS DIMMER SIGNAL CIRCUIT SHORT TO GROUND
MULTIFUNCTION SWITCH
BODY CONTROL MODULE
TEST
1 Turn the ignition on.
With the DRBIII , clear all BCM DTC's.
Turn the Dome Lamps on.
With the DRBIII , read the DTC information.
Does the DRBIII display: Dome Switch Input Short?
Yes → Go To 2
→ The condition that caused the symptom is currently not present.
No
2 Turn the ignition off.
Disconnect the Multifunction Switch harness connector.
Disconnect the Body Control Module C2 connector.
Measure the resistance of the Panel Lamps Dimmer Signal Circuit to ground.
Is the resistance below 1000 ohms?
Yes → Repair the Panel Lamps Dimmer Signal Circuit for a short to
→ Go To 3
No
3 Turn the ignition off.
Disconnect the Multifunction Switch harness connector.
Measure the resistance of the Panel Lamps Dimmer Signal Circuit and ground.
Is the resistance below 5.0 ohms?
Yes → Replace the Multifunction Switch.
→ Replace the Body Control Module.
No
POSSIBLE CAUSES
ACTION
Inspect the related wiring for a possible intermittent condition.
Look for any chafed, pierced, pinched, or partially broken wires.
Perform BODY VERIFICATION TEST - VER 1.
ground.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
INTERIOR LIGHTING
289
APPLICABILITY
All
All
All