Nissan Maxima Service and Repair Manual: P2100, P2103 throttle control motor relay

Nissan Maxima Service and Repair Manual / Engine / Engine control system / DTC/circuit diagnosis / P2100, P2103 throttle control motor relay

Description

Power supply for the throttle control motor is provided to the ECM via the throttle control motor relay. The throttle control motor relay is controlled ON/OFF by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not provided to the ECM.

DTC Logic

DTC DETECTION LOGIC

Nissan Maxima. DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following 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.

2.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2100

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

3.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2103

  1. Turn ignition switch ON and wait at least 1 second.
  2. Check DTC.

Diagnosis Procedure

1.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 IPDM E/R harness connector and ECM harness connector.
  5. Also check harness for short to ground and short to power.

Nissan Maxima. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT

2.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-II

  1. Check the continuity between IPDM E/R harness connector and ECM harness connector.
  2. Also check harness for short to ground and short to power.

Nissan Maxima. CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-II

3.CHECK FUSE

  1. Disconnect 15 A fuse (No. 43) from IPDM E/R.
  2. Check if 15 A fuse is blown.

4.CHECK INTERMITTENT INCIDENT

    P2096, P2097, P2098, P2099 A/F sensor 1
    Description The air fuel ratio (A/F) sensor 1 is a planar one-cell limit current sensor. The sensor element of the A/F sensor 1 is composed an electrode layer, which transports ions. It has a he ...

    P2101 electric throttle control function
    Description Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc. The throttle control motor is operated by the ECM and it opens and closes the ...

    Other materials:

    Text Messaging
    Using the Bluetooth Hands-Free Phone System, a received text message can be operated on the vehicle information display as well as on the touch-screen display. To read/ignore an incoming text 1. When a new text message is received, a pop-up window and operation keys will appear with the sende ...

    Shoulder belt height adjustment (front seats)
    The shoulder belt anchor height should be adjusted to the position best for you. For additional information, refer to "Precautions on seat belt usage" in this section. To adjust, pull out the adjustment button 1 and move the shoulder belt anchor to the desired position 2 , so the belt pass ...

    Preparation
    Special Service Tools The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here. Commercial Service Tools ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0597