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:

    Measurement of weights
    Secure loose items to prevent weight shifts that could affect the balance of your vehicle. When the vehicle is loaded, drive to a scale and weigh the front and the rear wheels separately to determine axle loads. Individual axle loads should not exceed either of the gross axle weight ratings ( ...

    Entry/exit function
    This system is designed so that the driver's seat and automatic operation steering column will automatically move when the shift lever is in the P (Park) position. This allows the driver to get into and out of the driver's seat more easily. The driver's seat will slide backward and the steer ...

    Hands-free phone system
    System Diagram System Description Refer to the owner's manual for Bluetooth telephone system operating instructions. NOTE: Cellular telephones must have their wireless connection set up (paired) before using the Bluetooth telephone system. Bluetooth telephone system allows users who hav ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0085