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

Nissan Maxima Service and Repair Manual / Ventilation, heater & air conditioner / Heater & air conditioning control system / DTC/circuit diagnosis / B2581, B2582 intake sensor

Description

Intake Sensor

Nissan Maxima. 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.

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. Refer to HAC- 30, "DTC Logic" or HAC-31, "DTC Logic".

Nissan Maxima. DTC DETECTION LOGIC

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 resi ...

    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:

    AV control unit
    Reference Value VALUES ON THE DIAGNOSIS TOOL CONSULT data monitor item TERMINAL LAYOUT PHYSICAL VALUES *1 With satellite radio DTC Index Self-diagnosis results display item ...

    U1300 AV comm circuit
    Description U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simultaneously, without fail, with the malfunction of control units connected to AV control unit with communication line. Determine the possible malfunction cause from the table bel ...

    BCM 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 BCM for damage, bend and loose connection (unit side and connector side). 2.CHECK HARNESS FOR OPEN CIRCUIT Disc ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0246