Dodge Ram 2004 Service Manual page 491

PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT
TO VOLTAGE —
TEST
3 Disconnect the Instrument Cluster C2 connector.
Measure the voltage between Passenger Door Lock Switch Mux circuit and ground.
Is there any voltage present?
Yes → Go To 4
No
4 Disconnect the Passenger Door Lock Switch connector.
Disconnect the Instrument Cluster C2 connector.
Measure the voltage between Passenger Door Lock Switch Mux circuit and ground.
Is there any voltage present?
Yes → Repair the Passenger Door Lock Switch Mux circuit for a short to
No
5 Disconnect the Passenger Door Lock Switch connector.
Using a 12-volt test light connected to 12-volts, check the Ground circuit.
Does the test light illuminate brightly?
Yes → Go To 6
No
6 Disconnect the Passenger Door Lock Switch connector.
Measure the voltage between Passenger Door Lock Switch Mux circuit and ground.
Is the voltage above 4.6 volts?
Yes → Go To 7
No
7 If there are no possible causes remaining, view repair.
Repair
Continued
ACTION
→ Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
voltage.
Perform BODY VERIFICATION TEST - VER 1.
→ Test Complete.
→ Repair the Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
→ Repair the Passenger Door Lock Switch Mux circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
Replace the Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1.
POWER DOOR LOCKS/RKE
477
APPLICABILITY
All
All
All
All
All