Nissan Sentra Service Manual: 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 diagnose a problem using procedures indicated in enclosed test groups.
- Questions and results
- Questions and required results are indicated in test group.
- Action
- Next action for each test group is indicated based on result of each question.
Description
NOTICE:
Trouble diagnoses indicate work procedures required to diagnose problems
effectively. Observe the following
instructions before diagnosing.
Before performing trouble diagnoses, read th ...
Other materials:
P0448 EVAP Canister vent control valve
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0448
VENT CONTROL VALVE
(Evaporative emission system
vent control circuit shorted)
EVAP canister vent control valve remains
clos ...
Refrigerant pressure sensor
Component Function Check
1.CHECK REFRIGERANT PRESSURE SENSOR OVERALL FUNCTION
Start engine and warm it up to normal operating temperature.
Turn A/C switch and blower fan switch ON.
Check the voltage between ECM harness connector terminals.
Is the inspection result normal?
YES >> ...
Precautions
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 ...
