Diagnostic Test
- CHECK HIGH PRESSURE FUEL PUMP-1
- Turn ignition switch OFF.
- Disconnect high pressure fuel pump harness connector.
- Check the resistance between high pressure fuel pump terminals.
+ - Condition Resistance
(Approx.)High pressure fuel pump Terminal 1 2 Temperature °C (°F) 20 - 30 (68 - 86) 9 - 11 Ω
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Replace high pressure fuel pump. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .
- CHECK HIGH PRESSURE FUEL PUMP-2
WITH CONSULT
- Reconnect high pressure fuel pump harness connector.
- Start the engine.
- Check "FUEL PRES SEN V" in "DATA MONITOR" mode of "ECM" using CONSULT.
Monitor item Condition Voltage
(Approx.)FUEL PRES SEN V Engine speed: idle 820 - 1, 220 mV Engine speed: Revving engine from idle to 4, 000 RPM quickly 820 - 3, 060 mV
WITHOUT CONSULT
- Reconnect high pressure fuel pump harness connector.
- Start the engine.
- Check FRP sensor signal voltage.
ECM Condition Value
(Approx.)Connector + - Terminal F91 25 13 Engine speed: idle 0.82 - 1.22 V Engine speed: Revving engine from idle to 4, 000 RPM quickly 0.82 - 3.06 V YES
INSPECTION END
NO
Replace high pressure fuel pump. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .