DTC Diagnosis Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK DTC PRIORITY
If DTC P0090 is displayed with DTC P1197, first perform the trouble diagnosis for DTC P1197.
Is applicable DTC detected?
YES
Perform the diagnosis of the applicable. Refer to DTC Description .
NO
GO TO 2.
- 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.
+
-
Value
(Approx.)
ECM
High pressure fuel pump
Connector
Terminal
Connector
Terminal
F79
59
F87
1
Existed
60
2
- Also check harness for short to ground and to power.
Is inspection result normal?
YES
GO TO 3.
NO
Repair or replace the error-detected parts.
- CHECK HIGH PRESSURE FUEL PUMP
Check high pressure fuel pump. Refer to Component Inspection (High Pressure Fuel Pump) .
Is inspection result normal?
YES
INSPECTION END
NO
Replace the error-detected parts.