Nissan Sentra Service Manual: Dtc/circuit diagnosis
- U1000 can comm circuit
- U1010 control unit (can)
- B2205 vehicle speed
- B2267 engine speed
- B2268 water temp
- Power supply and ground circuit
- Steering switch (meter control switch) signal circuit
- Illumination control switch signal circuit
- Fuel level sensor signal circuit
- Parking brake switch signal circuit
- Ambient sensor signal circuit
- A/c auto amp. Connection recognition signal circuit
- Washer fluid level switch circuit
Basic inspection
Diagnosis and repair workflow
Work flow
Overall sequence
Detailed flow
1.Obtain information about symptom
Interview the customer to obtain as much information as possible about the
conditio ...
U1000 can comm circuit
Dtc logic
Dtc detection logic
Dtc
Consult
Detection condition
Possible malfunction location
U1000
Can comm circ
[u1000]
When combination meter is not receiving can ...
Other materials:
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 mwi-28, "wiring diagram".
1.Check a/c auto amp. Connection recognition signal
Turn ig ...
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 passenger for certain
types of collision. Information necessary to service the system ...
Main power supply and ground circuit
Diagnosis Procedure
1.CHECK TCM POWER CIRCUIT (PART 1)
Turn ignition switch OFF.
Disconnect TCM connector.
Check voltage between TCM harness connector terminals and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> GO TO 4.
2.CHECK TCM POWER CIRCUIT (PAR ...
