Circuit/System Verification

With UDD

1. Verify correct engine oil level and condition.
2. Ignition ON.
3. 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.

   • Go to next step: If the engine oil pressure indicator turns on and off 
4. Verify the scan tool Engine Oil Pressure Switch parameter is Low.
   • If not Low 

     Refer to Circuit/System Testing.

   • Go to next step: If Low 
5. Engine running.
6. Verify the scan tool Engine Oil Pressure Switch parameter is OK.
   • If not OK 

     Refer to Circuit/System Testing.

   • Go to next step: If OK 
7. All OK.

With UDV or UHS

1. Verify correct engine oil level and condition.
2. Ignition ON.
3. Verify the scan tool Engine Oil Pressure Switch parameter is Low.
   • If not Low 

     Refer to Circuit/System Testing.

   • Go to next step: 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.

   • Go to next step: If OK 
6. All OK.