EGR Valve Signal Circuit Open Circuit

Test 1 - 2:

Test 3 - 6:

Test 7 - 8:

SYMPTOM
P2527 - EGR VALVE SIGNAL CIRCUIT OPEN CIRCUIT

TEST NOTE
This symptom is diagnosed using the test P2511 - EGR VALVE SIGNAL CIRCUIT SHORTED TO GROUND.

POSSIBLE CAUSES
- Checking the engine control relay system
- Intermittent condition
- Engine control relay output circuit open
- EGR valve control circuit shorted to ground
- EGR valve control circuit open
- EGR solenoid
- Engine control module