P1400 Nissan - EGRC Solenoid Valve
Repair Importance Level:
Repair Difficulty Level:
- Faulty The EGRC-solenoid valve
- The EGRC-solenoid valve harness is open or shorted
- The EGRC-solenoid valve electrical circuit poor connection
Check hoses connector at the EGR solenoid valve or clogged EGR valve system.
When is the code detected?
Malfunction is detected when the improper voltage signal is sent to Engine Control Module (ECM) through EGRC-solenoid valve.
- Engine Light ON (or Service Engine Soon Warning Light)
P1400 Nissan Description
The EGRC-solenoid valve responds to signals from the Engine Control Module (ECM). When the ECM sends an ON (ground) signal, the coil in the solenoid valve is energized. The vacuum signal (from the intake manifold collector) passes through the solenoid valve. The signal then reaches the EGR valve.
When the ECM sends an OFF signal, a plunger will then move to cut the vacuum signal.
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