Navistar International DT 466 Diagnostic/Troubleshooting Manual page 433

7 ELECTRONIC CONTROL SYSTEMS DIAGNOSTICS
Figure 446 Continuous Monitor Test
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
2. To monitor signal voltage, run KOEO Continuous
Monitor Test. For help, see "Continuous Monitor
Test" in Section 3 (page 68).
3. Monitor EOP signal voltage. Verify an active DTC
for the EOP circuit.
4. If code is active, do step 6 and 7 to check circuit
for the EOP sensor using the following table.
•
5. If code is inactive, wiggle connectors and wires
at all suspected problem locations.
continuity is interrupted, the EST will display
DTCs related to the condition.
6. Disconnect engine harness from pressure sensor.
NOTE: Inspect connectors for damaged pins,
corrosion, or loose pins. Repair if necessary.
7. Connect Pressure Sensor Breakout Harness to
engine harness only.
EGES-270-1
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
Circuit Checks for EOP Sensor
429
If circuit