When Monitored and Set Condition
- When Monitored: A constant engine speed between 900 and 1700 RPM and no other EGR or MAP sensor faults.
- Set Condition: The PCM commands the EGR valve to open. The MAP sensor value must drop by a minimum of 54 mbar (1.6 in Hg) when EGR is commanded open or a fault is set.
| Possible CauseS |
| EGR SOLENOID CONTROL CIRCUIT OPEN |
| EGR SOLENOID CONTROL CIRCUIT SHORT TO GROUND |
| EGR SOLENOID CONTROL CIRCUIT SHORT TO VOLTAGE |
| FUSED ENGINE CONTROL RELAY OUTPUT CIRCUIT OPEN |
| EGR SOLENOID |
| POWERTRAIN CONTROL MODULE |
For a complete Powertrain Control Module Circuit Diagram, (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .