PIN 6D1303 - Caterpillar

System Operation Description:Use this procedure under the following situation:Use this procedure to determine if J1/P1-30 (change oil lamp) is operating properly.Output 1 can operate as a change oil lamp or as a PTO switch on lamp. The parameter "Change Oil Lamp" must be programmed to "J1/P1:30" to use output 1 as a change oil lamp. The change oil lamp illuminates when the engine oil needs to be changed.The following parameters determine when the Engine Control Module (ECM) will illuminate the change oil lamp.
"Maintenance indicator mode"
"PM1 interval"
"PM1 engine oil capacity"If "Maintenance Indicator Mode" is programmed to "Manual - Distance" or "Manual - Hours", the parameter "PM1 Interval" must be programmed. If "Maintenance Indicator Mode" is programmed to "Automatic - Distance" or "Automaitc - Hours", the parameter "PM1 Engine Oil Capacity" must be programmed.Electrical Connections of the LampOne terminal of the lamp must be connected to battery voltage through the vehicle wiring. The other terminal is connected to the ECM at the vehicle harness connector J1/P1-30.The ECM provides a path to ground that will turn on the lamp.
Illustration 1 g00836031
Circuit schematic for the change oil lamp
Test Step 1. Inspect Electrical Connectors and Wiring
Illustration 2 g01150919
Pin locations on ECM connector
(P1-30) Change oil lamp
Thoroughly inspect ECM vehicle harness connector J1/P1, the firewall bulkhead connector, and the terminals for the change oil lamp. Refer to Troubleshooting, "Electrical Connectors - Inspect" for details.
Perform a 45 N (10 lb) pull test on each of the wires in the ECM connector that are associated with the change oil lamp.
Check the ECM connector (allen head screw) for the proper torque. Refer to Troubleshooting, "Electrical Connectors - Inspect" for details.
Check the harness and wiring for abrasion and for pinch points from the sensor to the ECM. Expected Result:All connectors, pins, and sockets are completely coupled and/or inserted and the harness and wiring are free of corrosion, of abrasion or of pinch points.Results:
OK - Proceed to Test Step 2.
Not OK - Repair: Repair the connectors or wiring and/or replace the connectors or wiring. Ensure that all of the seals are properly in place and ensure that the connectors are completely coupled.Verify that the repair eliminates the problem.STOPTest Step 2. Check for Normal Operation of the Change Oil Lamp
Monitor the change oil lamp. Turn the ignition key switch to the ON position, while the engine is off. The lamp should turn on for five seconds. Then, the lamp should turn off. Expected Result:The change oil lamp turns on and the change oil lamp turns off per the description above.Results:
Yes - The change oil lamp is operating normally.STOP
No - The lamp does not turn on. Proceed to Test Step 3.Test Step 3. Test the Change Oil Lamp Circuit
Illustration 3 g01150923
Pin locations on ECM Connector
(P1-30) Change oil lamp
(P1-65) - Battery
Turn the ignition key switch to the OFF/RESET position.
Fabricate a jumper wire 100 mm (4 inch) long. Crimp a Deutsch pin to both ends of the wires.
Disconnect vehicle harness connector P1 from the ECM.
Insert the jumper into P1-30 change oil lamp.
Connect the other end of the