DTC Diagnosis Procedure
- CHECK EOP SENSOR POWER SUPPLY-I
- Turn ignition switch OFF.
- Disconnect EOP sensor harness connector.
- Turn ignition switch ON.
- Check the voltage between EOP sensor harness connector terminals.
EOP sensor
Voltage
(Approx.)
Connector
+
-
terminal
F42
3
1
5 V
Is the inspection result normal?
YES
GO TO 2.
NO
GO TO 4.
- CHECK EOP SENSOR SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connectors.
- Check the continuity between EOP sensor harness connector and ECM harness connector.
EOP sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F42
2
F143
51
Existed
- Also check harness for short to power and short to ground.
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace error-detected parts.
- CHECK EOP SENSOR
Check EOP sensor. Refer to Component Inspection .
Is the inspection result normal?
YES
INSPECTION END
NO
Repair or replace error-detected parts.
- CHECK EOP SENSOR POWER SUPPLY-II
Check the voltage between EOP sensor harness connector terminal and ground.
+
-
Voltage
(Approx.)
EOP sensor
Connector
Terminal
F42
3
Ground
5 V
Is the inspection result normal?
YES
GO TO 7.
NO
GO TO 5.
- CHECK EOP SENSOR POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connectors.
- Check the continuity between EOP sensor harness connector and ECM harness connector.
EOP sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F42
3
F143
80
Existed
- Also check harness for short to power and short to ground.
Is the inspection result normal?
YES
GO TO 6.
NO
Repair or replace error-detected parts.
- CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Refer to Diagnosis Procedure .
Is the inspection result normal?
YES
Perform the trouble diagnosis for ECM 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.
EOP sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F42
1
F143
24
Existed
- Also check harness for short to power.
Is the inspection result normal?
YES
GO TO 8.
NO
Repair or replace error-detected parts.
- CHECK ECM GROUND CIRCUIT
- Check the continuity between ECM harness connector and ground.
ECM
--
Continuity
Connector
Terminal
F143
2
Ground
Existed
7
F142
87
88
95
E152
199
201
204
- Also check harness for short to power.
Is the inspection result normal?
YES
INSPECTION END
NO
Repair or replace error-detected parts.
- Check the continuity between ECM harness connector and ground.