Component Inspection (High Pressure Fuel Pump)
- 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
High pressure fuel pump
Terminal
1
2
Temperature deg.C (deg.F)
20 - 30 (68 - 86)
0.47 - 0.53 Ohm
Is the inspection result normal?
YES
GO TO 2.
NO
Replace high pressure fuel pump. Refer to Removal and Installation .
- 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
Value
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 the engine.
- Check FRP sensor signal voltage.
ECM
Condition
Value
Connector
+
-
Terminal
F143
10
9
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?
YES
INSPECTION END
NO
Replace high pressure fuel pump. Refer to Removal and Installation .