DTC Diagnosis Procedure
- CHECK ENGINE OIL
- Turn ignition switch OFF.
- Check engine oil level and pressure. Refer to ENGINE OIL : Inspection .
Is inspection result normal?
YES
GO TO 2.
NO
Repair or replace error-detected parts.
- CHECK EOP SENSOR POWER SUPPLY-I
- Disconnect EOP sensor connector.
- Turn ignition switch ON.
- Check the voltage between EOP sensor harness connector terminals.
EOP sensor
Voltage
(Approx.)
Connector
+
-
terminal
E220
3
1
5 V
Inspection result normal?
YES
GO TO 7.
NO
GO TO 3.
- CHECK EOP SENSOR POWER SUPPLY-II
Check the voltage between EOP sensor harness connector and the ground.
+
-
Voltage
(Approx.)
EOP sensor
Connector
Terminal
E220
3
Ground
5 V
Is inspection result normal?
YES
GO TO 5.
NO
GO TO 4.
- CHECK SENSOR POWER SUPPLY 3 CIRCUIT
Refer to Diagnosis Procedure .
Is inspection result normal?
YES
Perform the trouble diagnosis for power supply circuit. Refer to Diagnosis Procedure .
NO
Repair or replace error-detected parts.
- CHECK EOP SENSOR GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between EOP sensor harness connector and ECM harness connector.
+
-
Continuity
EOP sensor
ECM
Connector
Terminal
Connector
Terminal
E220
1
F91
13
Existed
Is inspection result normal?
YES
GO TO 6.
NO
Repair or replace error-detected parts.
- CHECK ECM GROUND CIRCUIT
Check the continuity between ECM harness connector and ground.
ECM
Ground
Continuity
Connector
Terminal
E20
147
Ground
Existed
149
152
Is inspection result normal?
YES
Check intermittent incident. Refer to Inspection .
NO
Repair or replace error-detected parts.
- CHECK EOP SENSOR SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between EOP sensor harness connector and ECM harness connector.
+
-
Continuity
EOP sensor
ECM
Connector
Terminal
Connector
Terminal
E220
2
F91
23
Existed
- Also check harness for short to ground and to power.
Is inspection result normal?
YES
GO TO 8.
NO
Repair or replace error-detected parts.
- CHECK EOP SENSOR
Refer to Component Inspection .
Is inspection result normal?
YES
Check intermittent incident. Refer to Inspection .
NO
Repair or replace error-detected parts.