Diagnosis Procedure
1.
CHECK HIGH PRESSURE FUEL PUMP CIRCUIT
Turn ignition switch ON.
Disconnect ECM harness connector and high pressure fuel pump harness connector.
Check the continuity between ECM harness connector and high pressure fuel pump harness connector.
ECM
High pressure fuel pump
Continuity
Connector
Terminal
Connector
Terminal
F51
7
F82
1
Existed
2
2
Also check harness for short to power and short to ground.
Is inspection result normal?
.
Repair or replace the error-detected parts.
2.
CHECK HIGH PRESSURE FUEL PUMP
Check high pressure fuel pump. Refer to
Component Inspection
.
Is inspection result normal?
INSPECTION END
Replace error-detected parts.
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.
Repair or replace the error-detected parts.. INSPECTION ENDReplace error-detected parts.