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.
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 ...
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:
DTC/circuit diagnosis
MAIN LINE BETWEEN DLC AND HVAC CIRCUIT
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
ECM
A/C auto amp.
Check the continuity betw ...
Trunk lid
TRUNK LID ASSEMBLY
TRUNK LID ASSEMBLY : Removal and Installation
CAUTION:
Use two people when removing or installing trunk lid assembly
due to its heavy weight.
Use protective tape or shop cloths to protect surrounding
components from damage during removal
and installation of tr ...
The braking distance is long
Diagnosis Procedure
CAUTION:
The stopping distance on slippery road surfaces might be longer with the ABS
operating than when
the ABS is not operating.
1.CHECK FUNCTION
Turn ignition switch OFF and disconnect ABS actuator and electric unit
(control unit) connector to deactivate
ABS. In ...
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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