Diagnosis Procedure
- CHECK ELECTRIC INTAKE VALVE TIMING (IVT) CONTROL ACTUATOR (BANK 1) HALL SENSOR POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect electric IVT control actuator (bank 1) harness connector.
- Turn ignition switch ON.
- Check the voltage between electric IVT control actuator (bank 1) harness connector and ground.
+
-
Voltage
(Approx.)
Electric IVT control actuator (bank 1)
Connector
Terminal
F110
1
Ground
5 V
Is the inspection result normal?
YES
GO TO 4.
NO
GO TO 2.
- CHECK ELECTRIC IVT CONTROL MODULE POWER SUPPLY AND GROUND CIRCUIT
Check electric IVT control module power supply and ground circuit. Refer to Diagnosis Procedure .
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace error-detected parts.
- CHECK ELECTRIC IVT CONTROL ACTUATOR (BANK 1) HALL SENSOR POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect electric IVT control module harness connector.
- Check the continuity between electric IVT control actuator (bank 1) harness connector and electric IVT control module harness connector.
Electric IVT control actuator (bank 1)
Electric IVT control module
Continuity
Connector
Terminal
Connector
Terminal
F110
1
F105
29
Existed
- Check harness for short to power and short to ground.
Is the inspection result normal?
YES
Replace electric IVT control module. Refer to Removal and Installation .
NO
Repair or replace error-detected parts.
- CHECK ELECTRIC IVT CONTROL ACTUATOR (BANK 1) HALL SENSOR GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect electric IVT control module harness connector.
- Check the continuity between electric IVT control actuator (bank 1) harness connector and electric IVT control module harness connector.
Electric IVT control actuator (bank 1)
Electric IVT control module
Continuity
Connector
Terminal
Connector
Terminal
F110
5
F105
23
Existed
- Check harness for short to power.
Is the inspection result normal?
YES
GO TO 5.
NO
Repair or replace error-detected parts.
- CHECK ELECTRIC IVT CONTROL ACTUATOR (BANK 1) HALL SENSOR SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect electric IVT control module harness connector.
- Check the continuity between electric IVT control actuator (bank 1) harness connector and electric IVT control module harness connector.
Electric IVT control actuator (bank 1)
Electric IVT control module
Continuity
Connector
Terminal
Connector
Terminal
F110
2
F105
21
Existed
3
30
4
22
- 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 ELECTRIC IVT CONTROL ACTUATOR (BANK 1) PHASE SIGNAL CIRCUIT
- Disconnect electric IVT control actuator (bank 1) harness connector.
- Check the continuity between electric IVT control actuator (bank 1) harness connector and electric IVT control module harness connector.
Electric IVT control actuator (bank 1)
Electric IVT control module
Continuity
Connector
Terminal
Connector
Terminal
F112
1
F105
40
Existed
2
37
3
42
- Check harness for short to power and short to ground.
Is the inspection result normal?
YES
GO TO 7.
NO
Repair or replace error-detected parts.
- CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to Intermittent Incident .
Is the inspection result normal?
YES
GO TO 8.
NO
Repair or replace error-detected parts.
- REPLACE ELECTRIC IVT CONTROL ACTUATOR (BANK 1)
- Replace electric IVT control actuator (bank 1). Refer to VALVE TIMING CONTROL .
- Perform DTC confirmation procedure again. Refer to DTC Description .
Is the DTC P34AD detected?
YES
Replace electric IVT control module. Refer to Removal and Installation .
NO
INSPECTION END