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:
Can communication circuit
Diagnosis procedure
1.CONNECTOR INSPECTION
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose connection.
Is the inspection resu ...
Tcm branch line circuit
Diagnosis Procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose
connection (unit side and connector
side).
TCM
Harness connector f50
Harness co ...
Dtc/circuit diagnosis
U1000 can comm
Description
Refer to LAN-7, "CAN COMMUNICATION SYSTEM : System Description".
Dtc logic
Dtc detection logic
Note:
U1000 can be set if a module harness was disconnected and reconnected,
perhaps during a repair. Confirm
that there are actual can diagnostic symptoms and ...
