Nissan Sentra manuals

Nissan Sentra Service Manual: Ambient sensor signal circuit

Description

It detects outside air temperature and converts it into a resistance value which is then input into the combination meter.

Diagnosis Procedure

Regarding wiring diagram information, refer to mwi-28, "wiring diagram".

1.Check ambient sensor signal circuit

  1. Turn ignition switch off.
  2. Disconnect combination meter connector and ambient sensor connector.
  3. Check continuity between combination meter harness connector and ambient sensor harness connector.


  1. Check continuity between combination meter harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> go to 2.

No >> repair or replace harness or connector.

2.Check ambient sensor signal ground circuit

Check continuity between combination meter harness connector and ambient sensor harness connector.

Is the inspection result normal?


Is the inspection result normal? YES >> Inspection End.

NO >> Repair or replace harness or connector.

Component Inspection

1.Check ambient sensor

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

Is the inspection result normal?


Is the inspection result normal? Yes >> inspection end.

No >> replace ambient sensor. Refer to hac-106, "removal and installation".

Parking brake switch signal circuit
Component function check 1.Check parking brake switch operation Check that brake warning lamp in combination meter turns on/off when parking brake is actuated. Is the inspection result normal? ...

A/c auto amp. Connection recognition signal circuit
Description A/c auto amp. Transmits the a/c auto amp. Connection recognition signal to the combination meter Diagnosis procedure (with manual a/c) Regarding wiring diagram information, refer to ...

Other materials:

Precaution
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 injur ...

P014C, P014D, P015A, P015B A/F Sensor 1
DTC Logic DTC DETECTION LOGIC To judge the malfunction of A/F sensor 1, this diagnosis measures response time of the A/F signal computed by ECM from the A/F sensor 1 signal. The time is compensated by engine operating (speed and load), fuel feedback control constant, and the A/F sensor 1 tem ...

Keyfob (if so equipped)
Replace the battery in the keyfob as follows: Remove the screw A . Insert a small screwdriver into the slit of the corner B and twist it to separate the upper part from the lower part. Use a cloth to protect the casing. Replace the battery with a new one. Do not touch the int ...

© 2014-2025 Copyright www.nisentra.com