RAM 3500 Van V8-5.9L VIN Z LDC (1998)
Power Door Lock Switch: Testing and Inspection
1. Check the fuse in the junction block. If OK, go to Step 3. If not OK, repair the shorted circuit or component as required and replace the faulty fuse.
2. Check for battery voltage at the fuse in the junction block. If OK, go to Step 4. If not OK, repair the open circuit to the Power Distribution Center
(PDC) as required.
3. Disconnect and isolate the battery negative cable. Unplug the wire harness connector from the power lock switch.
4. Connect the battery negative cable. Check for battery voltage at the fused B(+) circuit cavity of the power lock switch wire harness connector. If
OK, go to Step 6. If not OK, repair the open circuit to the junction block as required.
Power Lock Switch Continuity
5. Test the power lock switch continuity See the Power Lock Switch Continuity chart to determine if the continuity is correct in the Of,, Lock and
Unlock switch positions. If OK, repair the door lock switch output (lock and/or unlock) circuit(s) from the power lock switch wire harness
connector to the power lock and Remote Keyless Entry (RKE) module or to the Central Timer Module (CTM) as required. If not OK, replace the
faulty switch.
