Nissan Sentra manuals

Nissan Sentra Service Manual: P2118 Throttle control motor

Nissan Sentra Service Manual / Engine / Engine control system / Dtc/circuit diagnosis / P2118 Throttle control motor

DTC Logic

DTC DETECTION LOGIC

DTC No.

 CONSULT screen terms (Trouble diagnosis content)

 DTC detecting condition

 Possible cause
P2118 ETC MOT-B1 (Throttle actuator control motor current range/ performance) ECM detects short in both circuits between ECM and throttle control motor.
  • Harness or connectors (Throttle control motor circuit is shorted.)
  • Electric throttle control actuator (Throttle control motor)

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON and wait at least 2 seconds.
  2. Start engine and let it idle for 5 seconds.
  3. Check DTC.

Is DTC detected? YES >> Proceed to EC-428, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect electric throttle control actuator harness connector.
  3. Disconnect ECM harness connector
  4. Check the continuity between electric throttle control actuator harness connector and ECM harness connector.


  1. Also check harness for short to ground and to power.

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace error-detected parts.

2.CHECK THROTTLE CONTROL MOTOR

Check the throttle control motor. Refer to EC-429, "Component Inspection (Throttle Control Motor)".

Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".

NO >> Replace electric throttle control actuator. Refer to EM-27, "Removal and Installation".

Component Inspection (Throttle Control Motor)

1.CHECK THROTTLE CONTROL MOTOR

  1. Turn ignition switch OFF.
  2. Disconnect electric throttle control actuator harness connector.
  3. Check the resistance between electric throttle control actuator terminals as per the following.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Replace electric throttle control actuator. Refer to EM-27, "Removal and Installation".

P2101 Electric throttle control function
DTC Logic DTC DETECTION LOGIC NOTE: If DTC P2101 is displayed with DTC P2100, first perform the trouble diagnosis for DTC P2100. Refer to EC-423, "DTC Logic". If DTC P2101 is di ...

P2119 Electric throttle control actuator
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P2119 ETC ACTR-B1 (Throttle actuator c ...

Other materials:

Precaution for supplemental restraint system (srs) "air bag" and "seat belt pre-tensioner"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. Information necessary to service the system ...

Front suspension assembly
Inspection COMPONENT PART Check the mounting conditions (looseness, backlash) of each component. Verify the component conditions (wear, damage) are normal. Ball Joint Axial End Play Set the front wheels in a straight-ahead position. Hold the axle side of the transverse link, and check th ...

Oil seal
Valve oil seal : Removal and Installation REMOVAL Rotate crankshaft, and set piston whose valve oil seal is to be removed to TDC. This will prevent valve from dropping into cylinder. CAUTION: When rotating crankshaft, be careful to avoid scarring front cover with timing chain. Re ...

© 2014-2021 Copyright www.nisentra.com