Nissan Maxima Service and Repair Manual: B2581, B2582 intake sensor

Description

Intake Sensor

  • The intake sensor is located on the evaporator.
  • It converts air temperature after it passes through the evaporator into a resistance value which is then input to the A/C auto amp.

Nissan Maxima. Intake Sensor

Intake Sensor Circuit

Nissan Maxima. Intake Sensor Circuit

DTC Logic

DTC DETECTION LOGIC

NOTE: If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010.

DTC CONFIRMATION PROCEDURE

1.CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT

  1. Using CONSULT, perform "SELF-DIAGNOSIS RESULTS" of HVAC.
  2. Check if any DTC No. is displayed in the self-diagnosis results.

NOTE: If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010.

Diagnosis Procedure

1.CHECK INTAKE SENSOR POWER SUPPLY

  1. Disconnect intake sensor connector.
  2. Turn ignition switch ON.
  3. Check voltage between intake sensor harness connector M69 terminal 1 and ground.

Nissan Maxima. CHECK INTAKE SENSOR POWER SUPPLY

1 - Ground: Approx. 5V

2.CHECK CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP.

  1. Turn ignition switch OFF.
  2. Disconnect A/C auto amp. connector.
  3. Check continuity between intake sensor harness connector M69 (A) terminal 2 and A/C auto amp. harness connector M37 (B) terminal 37.

Nissan Maxima. CHECK CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP.

2 - 37: Continuity should exist.

3.CHECK INTAKE SENSOR

Check intake sensor.

4.CHECK CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP.

  1. Turn ignition switch OFF.
  2. Disconnect A/C auto amp. connector.
  3. Check continuity between intake sensor harness connector M69 (A) terminal 1 and A/C auto amp. harness connector M37 (B) terminal 16.

Nissan Maxima. CHECK CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP.

1 - 16: Continuity should exist.

  1. Check continuity between intake sensor harness connector M69 (A) terminal 1 and ground.

1 - Ground: Continuity should not exist.

Component Inspection

1.CHECK INTAKE SENSOR

  1. Turn ignition switch OFF.
  2. Disconnect intake sensor connector.
  3. Check resistance between intake sensor terminals.

Nissan Maxima. CHECK INTAKE SENSOR

    B2578, B2579 in-vehicle sensor
    Description In-vehicle Sensor The in-vehicle sensor (1) is located on instrument lower cover (LH). It converts variations in compartment air temperature drawn from the aspirator into a ...

    B2630, B2631 sunload sensor
    Description COMPONENT DESCRIPTION Sunload Sensor The sunload sensor (1) is located on the driver side defroster grille. It detects sunload entering through windshield by means of a photo ...

    Other materials:

    HVAC branch line circuit
    Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the A/C auto amp. for damage, bend and loose connection (unit side and connector side). 2.CHECK HARNESS FOR OPEN CIRCUI ...

    P0125 ECT sensor
    Description The engine coolant temperature sensor is used to detect the engine coolant temperature. The sensor modifies a voltage signal from the ECM. The modified signal returns to the ECM as the engine coolant temperature input. The sensor uses a thermistor which is sensitive to the c ...

    Engine compartment check locations
    VQ35DE engine Engine coolant reservoir Drive belt location Engine oil filler cap Brake fluid reservoir Air cleaner Fuse block Fuse block/Fusible links Fusible links Battery Engine oil dipstick Radiator cap Power steering fluid reservoir Windshield-washer fluid reservo ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0068