Component Inspection
- CHECK HIGH PRESSURE FUEL PUMP-I
- Turn ignition switch OFF.
- Disconnect high pressure fuel pump harness connector.
- Check the resistance between high pressure fuel pump terminals.
High pressure fuel pump Condition Resistance + - Terminal 1 2 Temperature °C (°F) 20 - 30 (68 - 86) 0.45 - 0.55 Ω
Is the inspection result normal?
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GO TO 2.
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Replace high pressure fuel pump. Refer to Removal and Installation .
- CHECK HIGH PRESSURE FUEL PUMP-II
With CONSULT
- Reconnect high pressure fuel pump harness connector.
- Start engine.
- On CONSULT screen, select "ENGINE">>"Data Monitor".
- 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
- Reconnect high pressure fuel pump harness connector.
- Start engine.
- Check fuel rail pressure sensor signal voltage.
ECM Condition Value Connector + - Terminal F51 44 45 Engine speed: Idle 0.73 - 1.0 V Engine speed: Revving engine from idle to 4, 000 rpm quickly 1.0 - 2.9 V Is the inspection result normal?
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INSPECTION END
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Replace high pressure fuel pump. Refer to Removal and Installation .