Component Inspection

1. Turn ignition switch OFF.
2. Disconnect high pressure fuel pump harness connector.
3. Check the resistance between high pressure fuel pump terminals.

   High pressure fuel pump		Condition		Resistance
   +	-
   Terminal
   1	2	Temperature deg. C (deg. F)	20 - 30 (68 - 86)	0.45 - 0.55 Ohm

Is the inspection result normal?

YES

GO TO 2.

NO

Replace high pressure fuel pump. Refer to Removal and Installation .

With CONSULT

1. Reconnect high pressure fuel pump harness connector.
2. Start engine.
3. On CONSULT screen, select "ENGINE">>"Data Monitor".
4. Check that the "FUEL PRES SEN V" indication.

   Monitor Item	Condition	Values/Status
   FUEL PRES SEN V	Engine speed: Idle	0.73 - 1.0 V
   	Engine speed: Revving engine from idle to 4, 000 RPM quickly	1.0 - 2.9 V

Without CONSULT

1. Reconnect high pressure fuel pump harness connector.
2. Start engine.
3. Check fuel rail pressure sensor signal voltage.

Is the inspection result normal?

YES

INSPECTION END

NO

Replace high pressure fuel pump. Refer to Removal and Installation .