Nissan Sentra Service Manual: Performance test
Inspection
INSPECTION PROCEDURE
- Connect recovery/recycling/recharging equipment (for HFC-134a) or manifold gauge.
- Start the engine, and set to the following condition.
Test condition
- Maintain test condition until A/C system becomes stable. (Approximately 10 minutes)
- Check that test results of “recirculating-to-discharge air temperature” and “ambient air temperature-tooperating pressure” are within the specified value.
- When test results are within the specified value, inspection is
complete.
If any of test result is out of the specified value, perform diagnosis by gauge pressure. Refer to HA-18, "Symptom Table".
Recirculating-to-discharge air temperature table
Ambient air temperature-to-operating pressure table
OIL
Description
MAINTENANCE OF OIL LEVEL
The compressor oil is circulating in the system together with the
refrigerant. It is necessary to fill compressor
with oil when replacing A/C system parts or ...
Other materials:
Fuel pump
Component Function Check
1.CHECK FUEL PUMP FUNCTION
Turn ignition switch ON.
Pinch fuel feed hose with
two fingers.
Fuel pressure pulsation should be felt on the fuel feed
hose for 1 second after ignition switch is turned ON.
Is the inspection result normal?
YES >> INSPECT ...
P2127, P2128 APP Sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P2127
APP SEN 2/CIRC
(Throttle/Pedal position
sensor/switch “E” circuit
low)
An excessively low voltage from the APP
...
The parking brake release warning
continues sounding, or does not
sound
Description
The parking brake warning buzzer sounds continuously during vehicle
travel though the parking brake is
released.
The parking brake warning buzzer does not sound at all even though
driving the vehicle with the parking
brake applied.
Diagnosis procedure
1.Check parking ...
