Nissan Sentra Service Manual: Description
NOTICE:
Trouble diagnoses indicate work procedures required to diagnose problems effectively. Observe the following instructions before diagnosing.
- Before performing trouble diagnoses, read the “Work Flow” in each section.
- After repairs, re-check that the problem has been completely eliminated.
- Refer to Component Parts and Harness Connector Location for the Systems described in each section for identification/location of components and harness connectors.
- When checking circuit continuity, ignition switch should be OFF.
- Refer to the Circuit Diagram for quick pinpoint check.
If you need to check circuit continuity between harness connectors in more detail, such as when a sub-harness is used, refer to Wiring Diagram in each individual section and Harness Layout in PG section for identification of harness connectors.
- Before checking voltage at connectors, check battery voltage.
- After accomplishing the Diagnosis Procedures and Electrical Components Inspection, make sure that all harness connectors are reconnected as they were.
How to Follow Test Groups in Trouble Diagnosis
Test group number and test group title
Test group number and test group title are shown in the upper portion of
each test group.
Work and diagnosis procedure
Start to diagn ...
Other materials:
Preparation
Special Service Tools
NOTE:
The actual shapes of Kent-Moore tools may differ from those of special
service tools illustrated here.
Commercial Service Tools
...
Symptom diagnosis
Nissan vehicle immobilizer systemnats
symptoms
Symptom Table
Note:
Before performing the diagnosis in the following table, check
“SEC-171, "Work Flow"”.
Check that vehicle is under the condition shown in “Conditions of
vehicle” before starting diagnosis, ...
P0117, P0118 ECT Sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0117
ECT SEN/CIRC
(Engine coolant temperature
sensor 1 circuit low)
An excessively low voltage from the engine
coolant temperatu ...
