Nissan Sentra Service Manual: Main line between dlc and hvac circuit
Diagnosis Procedure
1.Check harness continuity (open circuit)
- Turn the ignition switch OFF.
- Disconnect the battery cable from the negative terminal.
- Disconnect the following harness connectors.
- Ecm
- A/c auto amp.
- Check the continuity between the data link connector and the a/c auto amp. Harness connector.
Is the inspection result normal? Yes (present error)>>check can system type decision again.
Yes (past error)>>error was detected in the main line between the data link connector and the a/c auto amp.
No >> repair the main line between the data link connector and the a/c auto amp.
Main line between ipdm-e and dlc 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 ...
Ecm 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 ECM for damage, bend and ...
Other materials:
Battery
How to handle battery
CAUTION:
If it becomes necessary to start the engine with a booster battery
and jumper cables, use a 12-volt
booster battery.
After connecting battery cables, ensure that they are tightly
clamped to battery terminals for good
contact.
Never add distilled wat ...
Basic inspection
Inspection and adjustment
Additional service when replacing control unit (bcm)
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) : Description
Before replacement
When replacing bcm, save or print current vehicle specification with consult
configuration before replacement.
Note:
If “B ...
P0122, P0123 TP Sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0122 or P0123 is displayed with DTC P0643, first perform the
trouble diagnosis for DTC P0643.
Refer to EC-353, "DTC Logic".
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible caus ...