Circuit/System Verification

With UDD

1. Ignition ON.
2. Verify the engine oil pressure indicator turns on and off when commanding the All Indicators ON and OFF with a scan tool.
   • If the engine oil pressure indicator does not turn on and off. 

     Replace the P16 Instrument Cluster.

   • If the engine oil pressure indicator turns on and off 
3. Verify the scan tool Engine Oil Pressure Switch parameter is Low.
   • If not Low 

     Refer to Circuit/System Testing.

   • If Low 
4. Engine running.
5. Verify the scan tool Engine Oil Pressure Switch parameter is OK.
   • If not OK 

     Refer to Circuit/System Testing.

   • If OK 
6. All OK.

With UDV or UHS

1. Ignition ON.
2. Verify the scan tool Engine Oil Pressure Switch parameter is Low.
   • If not Low 

     Refer to Circuit/System Testing.

   • If Low 
3. Engine running.
4. Verify the scan tool Engine Oil Pressure Switch parameter is OK.
   • If not OK 

     Refer to Circuit/System Testing.

   • If OK 
5. All OK.