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:
Diagnosis system (TCM)
DIAGNOSIS DESCRIPTION
DIAGNOSIS DESCRIPTION : 1 Trip Detection Diagnosis and 2 Trip Detection
Diagnosis
NOTE:
“Start the engine and turn OFF the ignition switch after warm-up.” This is
defined as 1 trip.
TRIP DETECTION DIAGNOSIS
When initial malfunction is detected, TCM mem ...
Washer nozzle & tube
Exploded view
Check valve
Washer tube
Washer tank
Washer pump
Washer nozzle
Clip
Washer nozzle
Washer nozzle : removal and installation
REMOVAL
Disconnect the washer nozzle from the hood by pushing on the
nozzle in the order and direction shown.
Disconnect the ...
System description
Component parts
Component parts location
Instrument lower finisher
Sport mode switch
The sport mode switch is installed to the instrument lower finisher.
When the sport mode indicator lamp on the combination meter
is off and the sport mode switch is pressed, the sport mode
is ...
