EGR Control Solenoid: Testing and Inspection

DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE

OVERALL FUNCTION CHECK
Use this procedure to check the overall function of the EGR valve & EVAP canister purge control solenoid valve circuit. During this check, a DTC might not be confirmed.

WITH CONSULT
1) Turn ignition switch "ON".




2) Perform "EGRC SOL/V CIRCUIT" in "FUNCTION TEST" mode with CONSULT.

OR

WITH CONSULT
1) Turn ignition switch "ON".




2) Perform "EGRC SOLENOID VALVE" in "ACTIVE TEST" mode with CONSULT and check the operating sound, according to ON/OFF switching.

OR

WITH NO TOOLS
1) Start engine and warm it up sufficiently.
2) Turn ignition switch "OFF" and wait at least 5 seconds.
3) For M/T models, jack up front wheels.
Start engine again.




4) Check the voltage between ECM terminal (103) and ground at idle speed.

Voltage: 0.04 - 0.08V

5) For M/T models, shift into 1st gear.
Check that the voltage changes to battery voltage and returns to 0.04- 0.08V when the engine speed increases to about 2,500 rpm.




WIRING DIAGRAM




DIAGNOSTIC PROCEDURE

COMPONENT INSPECTION




Check air passage continuity.




If NG, replace solenoid valve.