DTC P0116:00 [PCM (SKYACTIV-D 2.2)]


id0102j5146800

DTC P0116:00

ECT sensor circuit range/performance problem

DETECTION CONDITION
•  With the following conditions met, a condition has continued for 10 min whereby the change in the engine coolant temperature after the fuel cut control was performed is less than 2.46°C.
―  Before starting the engine, leave the vehicle with the engine turned off for 6 h or more.
―  Battery positive voltage: 10 V or more
―  Vehicle speed: Normal
―  The following DTCs are not detected
•  ECT sensor: P0118:00, P0117:00
•  Malfunction in instrument cluster: P2610:00
Diagnostic support note
•  This is a continuous monitor (CCM).
•  The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
•  FREEZE FRAME DATA/Snapshot data is available.
•  DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
•  Limits engine torque.
•  Inhibits the automatic diesel particulate filter regeneration control.
•  Inhibits the manual diesel particulate filter regeneration control.
•  Inhibits the EGR control.
•  Stops the G-vectoring control (GVC).
•  Limits the engine transaxle total control.
•  Inhibits engine-stop by i-stop control.
POSSIBLE CAUSE
•  ECT sensor connector or terminal malfunction
•  PCM connector or terminal malfunction
•  ECT sensor malfunction
•  PCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable


Diagnostic Procedure

Step

Inspection

Results

Action

1
RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION
Note
•  Recording can be facilitated using the screen capture function of the PC.
•  Record the freeze frame data/snap shot data.
Go to the next step.
2
INSPECT ECT SENSOR CONNECTOR CONDITION
•  Switch the ignition OFF.
•  Disconnect the ECT sensor connector.
•  Inspect the connector engagement and connection condition, and inspect the terminals for damage, deformation, corrosion, or disconnection.
•  Is the connector normal?
Yes
Go to the next step.
No
Repair or replace the connector, then go to Step 5.
3
INSPECT PCM CONNECTOR CONDITION
•  Disconnect the PCM connector.
•  Inspect the connector engagement and connection condition, and inspect the terminals for damage, deformation, corrosion, or disconnection.
•  Is the connector normal?
Yes
Go to the next step.
No
Repair or replace the connector, then go to Step 5.
4
INSPECT ECT SENSOR
•  Is the ECT sensor normal?
Yes
Go to the next step.
No
Replace the ECT sensor, then go to the next step.
5
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Reconnect all the disconnected connectors.
•  Refer to the [MEMORY CLEARING PROCEDURE] and clear the DTC.
•  Leave the vehicle for 6 h or more.
•  Switch the ignition ON (engine on) and leave it idling for 20 min.
•  Display the DTCs using the M-MDS.
•  Has DTC P0116:00 been recorded?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the PCM, then go to the next step.
No
Go to the next step.
6
VERIFY OTHER DTCs
•  Has any other DTC or pending code been stored?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.