Nissan Sentra Service Manual: Hvac 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 a/c auto amp. For damage, bend and loose connection (unit side and connector side).
Is the inspection result normal? Yes >> go to 2.
No >> repair the terminal and connector.
2.Check harness for open circuit
- Disconnect the connector of A/C auto amp.
- Check the resistance between the a/c auto amp. Harness connector terminals.
Is the measurement value within the specification? Yes >> go to 3.
No >> repair the a/c auto amp. Branch line.
3.Check power supply and ground circuit
Check the power supply and the ground circuit of the a/c auto amp. Refer to hac-83, "a/c auto amp. : Diagnosis procedure".
Is the inspection result normal? Yes (present error)>>replace the a/c auto amp. Refer to hac-105, "removal and installation".
Yes (past error)>>error was detected in the a/c auto amp. Branch line.
No >> repair the power supply and the ground circuit.
Av 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 av control unit for dama ...
BCM 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 bcm for damage, bend and ...
Other materials:
S connector circuit
Description
The starter motor magnetic switch is supplied with power when the ignition
switch is turned to the START position
while the selector lever is in the P (Park) or N (Neutral) position (CVT Models)
or the clutch pedal is
depressed (M/T Models).
Diagnosis Procedure
Regarding Wiring ...
Wind deflector
Exploded view
Spring
Wind deflector
Roof panel
Sunshade
Glass lid
Front
Removal and installation
REMOVAL
Open the glass lid.
Release the springs (LH/RH), then remove the wind deflector.
INSTALLATION
Installation is in the reverse order of removal. ...
Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
NOTE:
“DTC” includes DTC at the 1st trip.
1.OBTAIN INFORMATION ABOUT SYMPTOM
Refer to TM-140, "Diagnostic Work Sheet" and interview the customer to obtain
the malfunction information
(conditions and environment when the malfunctio ...