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.
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".
DTC CONFIRMATION PROCEDURE
1.CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT
- Using CONSULT, perform "SELF-DIAGNOSIS RESULTS" of HVAC.
- 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
- Disconnect intake sensor connector.
- Turn ignition switch ON.
- Check voltage between intake sensor harness connector M69 terminal 1 and ground.
1 - Ground: Approx. 5V
2.CHECK CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP.
- Turn ignition switch OFF.
- Disconnect A/C auto amp. connector.
- Check continuity between intake sensor harness connector M69 (A) terminal 2 and A/C auto amp. harness connector M37 (B) terminal 37.
2 - 37: Continuity should exist.
3.CHECK INTAKE SENSOR
Check intake sensor.
4.CHECK CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP.
- Turn ignition switch OFF.
- Disconnect A/C auto amp. connector.
- Check continuity between intake sensor harness connector M69 (A) terminal 1 and A/C auto amp. harness connector M37 (B) terminal 16.
1 - 16: Continuity should exist.
- 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
- Turn ignition switch OFF.
- Disconnect intake sensor connector.
- Check resistance between intake sensor terminals
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:
Air fresheners
Most air fresheners use a solvent that could affect
the vehicle interior. If you use an air freshener,
take the following precautions:
Hanging-type air fresheners can cause permanent
discoloration when they contact vehicle
interior surfaces. Place the air freshener
in a location that all ...
Precaution
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and
"SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT
PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk
or severity of injury to the driver and front ...
Mode door control system
System Diagram
System Description
The mode door is automatically controlled by the temperature setting, ambient
temperature, in-vehicle temperature,
intake temperature and amount of sunload.
SYSTEM OPERATION
The A/C auto amp. receives data from each of the sensors.
The A/C auto amp. ...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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