Ecd System - Engine Does Not Start Even After Priming

Lexus IS250 IS220d GSE20 ALE20 2AD-FHV ENGINE CONTROL SYSTEM

INSPECTION PROCEDURE

CHECK FUEL LEVEL

CHECK SATELLITE SWITCH OPERATION

PERFORM ACTIVE TEST BY INTELLIGENT TESTER (OPERATE F/PMP RELAY)

ECD SYSTEM - Engine does not Start even after Priming

INSPECTION PROCEDURE

1.CHECK FUEL LEVEL

Check the fuel gauge to confirm the fuel level.

  • Result:
  • ConditionProceed to
    FullA
    Less than halfB
    EmptyC
NG
GO TO FUEL PUMP CONTROL CIRCUIT
OK
2.CHECK SATELLITE SWITCH OPERATION

Operate the satellite switch to select PRIMING operation.

Operate the satellite switch to turn ON or OFF priming operation.

  • OK:
  • PRIMING is shown in the combination meter, and priming operation can be turned ON or OFF.
NG
GO TO SATELLITE SWITCH CIRCUIT
OK
3.PERFORM ACTIVE TEST BY INTELLIGENT TESTER (OPERATE F/PMP RELAY)

Connect the intelligent tester to the DLC3.

Turn the engine switch ON (IG) and turn the intelligent tester ON.

Enter the following menus: Powertrain / Engine / Active Test / Active the Intank Fuel Pump Relay.

Check the operation of the fuel pump while operating it using the intelligent tester.

  • OK:
  • Operating noise can be heard from the fuel pump.

Grip the fuel hose to confirm that fuel is being transferred when priming operation is performed.

  • OK:
  • Fuel is being transferred.
NG
GO TO FUEL PUMP CONTROL CIRCUIT
OK
REPLACE FUEL ROUTE SWITCHING VALVE