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Component Inspection EGR VALVE Apply vacuum to EGR vacuum port with a hand vacuum pump. THROTTLE CONTROL VALVE Apply vacuum to throttle control valve vacuum port with a hand EGRC-SOLENOID VALVE A, B AND THROTTLE Check air passage continuity. Component Applied voltage Air passage continuity between ports q A and q B EGRC- solenoid valve A 12V dc between terminals q 1 & q 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . No supply YES . . . . . . . . . . . . . . . . . . . . . . . . . . . NO EGRC- solenoid valve B 12V dc between terminals q 2 & q 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . No supply YES . . . . . . . . . . . . . . . . . . . . . . . . . . . NO Throttle control solenoid valve A 12V dc between terminals q 3 & q 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . No supply YES . . . . . . . . . . . . . . . . . . . . . . . . . . . NO If NG, replace EGRC-solenoid valve A, B and throttle control sole- MEF137D NEF514 NEF515 NEF517 NEF518 DTC P1404 EGR SOL/V A, DTC P1405 EGR SOL/V B/P1407 THROTTLE SOLENOID VALVE TD27Ti EC-462 |