P2014

4GR-FSE ENGINE CONTROL SYSTEM: SFI SYSTEM: P2014: Intake Manifold Runner Position Sensor / Switch Circuit (Bank 1)

DTC P2014 - Intake Manifold Runner Position Sensor / Switch Circuit (Bank 1)

DTC P2016 - Intake Manifold Runner Position Sensor / Switch Circuit Low (Bank 1)

DTC P2017 - Intake Manifold Runner Position Sensor / Switch Circuit High (Bank 1)

DESCRIPTION

The Swirl Control Valve (SCV) position sensor is a non-contact type.
The position sensor measures the opening angle of the SCV. The sensor is reliable and accurate, as it is electrically controlled by Hall elements.
The ECM's IAC1 terminal voltage increases in correlation with the opening angle of the SCV. When the SCV is fully closed, approximately 0.6 V is applied to the IAC1 terminal. When the SCV is fully open, approximately 3.6 V is applied to the IAC1 terminal.
When the output voltage of the IAC1 terminal deviates from the standard range, the ECM determines that a malfunction has occurred in the position sensor and outputs a DTC.









HINT: After confirming DTC P2014, P2016 or P2017, use Techstream to confirm the SCV ANG SENS D4 (SCV position sensor output voltage) from Powertrain / Engine and ECT / Data List.





MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS

P2014:





P2016:





P2017:





COMPONENT OPERATING RANGE





WIRING DIAGRAM





INSPECTION PROCEDURE
HINT:
- If different DTCs that are related to a different system are output simultaneously while terminal E2 is used as a ground terminal, terminal E2 may be open.
- Read freeze frame data using Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can be helpful in determining whether the vehicle was running or stopped, whether the engine was warmed up or not, whether the air/fuel ratio was lean or rich, as well as other data recorded at the time of a malfunction Freeze Frame Data.

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM (OPERATE SCV)
(a) Connect Techstream to the DLC3.
(b) Turn the engine switch on (IG) and turn the tester on.
(c) Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the SCV Duty Ratio.
(d) Scroll the data list by the up or down button to display SCV ANG SENS D4 (SCV position sensor).
(e) Check the output voltage of SCV ANG SENS D4 while the DC motor for SCV is driven from full closed to full open (or from full open to full closed) using Techstream.
Standard:
The voltage output of SCV POSITION remains between 0.2 to 4.8 V while the DC motor for SCV is driven from -100 to 100 % (or from 100 to -100 %).






OK -- CHECK WHETHER DTC OUTPUT RECURS (DTC P2014, P2016 AND/OR P2017 ARE OUTPUT AGAIN)
NG -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (SCV POSITION SENSOR - ECM)





(a) Disconnect the E3 and E6 ECM connectors.
(b) Disconnect the E56 SCV position sensor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance (Check for open):






Standard resistance (Check for short):





(d) Reconnect the SCV position sensor connector.
(e) Reconnect the ECM connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. INSPECT ECM (VC VOLTAGE)





(a) Disconnect the E56 SCV position sensor connector.
(b) Turn the engine switch on (IG).
(c) Measure the voltage according to the value(s) in the table below.
Standard voltage:





(d) Reconnect the SCV position sensor connector.
NG -- REPLACE ECM
OK -- Continue to next step.
4. REPLACE INTAKE MANIFOLD
NEXT -- Continue to next step.
5. CHECK WHETHER DTC OUTPUT RECURS (DTC P2014, P2016 AND/OR P2017 ARE OUTPUT AGAIN)
(a) Connect Techstream to the DLC3.
(b) Turn the engine switch on (IG) and turn the tester on.
(c) Clear DTCs.
(d) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(e) Read DTCs.
Result:






B -- END
A -- REPLACE ECM