Nissan Sentra Service Manual: Precaution
Precautions for Trouble Diagnosis
Caution:
Follow the instructions listed below. Failure to do this may cause damage to parts:
- Never apply 7.0 V or more to the measurement terminal.
- Use a tester with open terminal voltage of 7.0 V or less.
- Turn the ignition switch off and disconnect the battery cable from the negative terminal when checking the harness.
Precautions for Harness Repair
- Solder the repaired area and wrap tape around the soldered area.
Note:
A fray of twisted lines must be within 110 mm (4.33 In).
- Bypass connection is never allowed at the repaired area.
Note:
Bypass connection may cause can communication error. The spliced wire becomes separated and the characteristics of twisted line are lost.
- Replace the applicable harness as an assembly if error is detected on the shield lines of can communication line.
How to use this manual
Information
“Can fundamental” of lan section describes the basic knowledge of the
can communication system
and the method of trouble diagnosis.
For information peculiar to a vehic ...
System description
System
Can communication system
Can communication system : system description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex ...
Other materials:
AV 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 av control unit for damage,
bend and loose connection (unit
side and connector side).
Is the inspection result normal ...
Symptom diagnosis
HEATER AND AIR CONDITIONING SYSTEM
CONTROL SYMPTOMS
Diagnosis Chart By Symptom
Note:
Perform the self-diagnoses with consult before performing the symptom
diagnosis. If dtc is detected, perform
the corresponding diagnosis.
INSUFFICIENT COOLING
Description
Symptom
Insufficient ...
Both doors mirror defogger don’t operate but rear window defogger operates
Diagnosis procedure
Regarding Wiring Diagram information, refer to DEF-20, "Wiring Diagram".
1. Check door mirror defogger fuse
Check if the following fuse in fuse block (J/B) is blown.
Is the inspection result normal?
Yes >> go to 2.
No >> replace the blown fuse af ...
