Troubleshooting

190 RENR2696-01
Troubleshooting Section
Expected Result:
The measured voltage is between 11.0 VDC and 13.5
VDC for a 12 volt system and between 22.0 VDC and
27.0 VDC for a 2
4 volt system with no suspected
intermittent problems at this time.
Results:
•
OK
Repair: There is a problem with the wires between
the relay and the P20 MIC.
Repair the wiring or replace the wiring. Verify that
the repair has eliminated the problem.
STOP.
•
Not OK – Procee
dtoTestStep9.
Test Step 9. Check the Output of the Fuel
Injection P ump Power Control at the ECM
g00910876
Illustration 102
Schematic for the fuel injection pump and the ECM power supply