Nissan Sentra manuals

Nissan Sentra Service Manual: 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
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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:

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The front seats are warmed by built-in heaters. Start the engine. Push the LO or HI position of the switch, as desired. The indicator light in the switch will illuminate. The heater is controlled by a thermostat, automatically turning the heater on and off. The indicator light ...

P0128 Thermostat function
DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0128 is displayed with DTC P0300, P0301, P0302, P0303 or P0304, first perform the trouble diagnosis for P0300, P0301, P0302, P0303 or P0304. Refer to EC-269, "DTC Logic". Engine coolant temperature has not risen enough to open the thermost ...

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