Nissan Rogue (T33) 2021-Present Service Manual: P2103 Throttle Control Motor Relay

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P2103 Throttle Control Motor Relay

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P2103 00

ETC MOT PWR-B1

(Throttle actuator “A” control motor circuit high) 		Diagnosis condition Ignition switch ON
Signal (terminal) Throttle control motor relay signal
Threshold ECM detect the throttle control motor relay is stuck ON
Diagnosis delay time —

POSSIBLE CAUSE

  • Harness or connectors (Throttle control motor relay circuit is open.)

  • Throttle control motor relay

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

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.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is more than 8 V at idle.

>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON and wait at least 1 second.

  2. Check DTC.

Is DTC detected?

YES>>

DTC Diagnosis Procedure

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY

  1. Turn ignition switch ON.

  2. Check the voltage between ECM harness connectors.

    + −

    Voltage

    (Approx.)
    ECM
    Connector Terminal Connector Terminal
    F72 5 E21 160 Battery voltage
    E21 153

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Disconnect IPDM E/R harness connector.

  4. Check the continuity between ECM harness connector and IPDM E/R harness connector.

    ECM IPDM E/R Continuity
    Connector Terminal Connector Terminal
    F72 5 F35 73 Existed
    E21 153

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

Is the inspection result normal?

YES>>

Perform the trouble diagnosis for power supply circuit.

NO>>

Repair or replace malfunctioning part.

CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL

  1. Turn ignition switch OFF.

  2. Check the voltage between ECM harness connectors.

    + − Condition

    Voltage

    (Approx.)
    ECM
    Connector Terminal Connector Terminal
    F72 24 E21 160 Ignition switch OFF 0 V
    ON Battery voltage

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

GO TO 4.

CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Disconnect IPDM E/R harness connector.

  4. Check the continuity between ECM harness connector and IPDM E/R harness connector.

    ECM IPDM E/R Continuity
    Connector Terminal Connector Terminal
    F72 24 F42 93 Existed

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

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Repair or replace malfunctioning part.

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