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.
Strg 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 steering angle sensor fo ...
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:
B1429 Seat belt buckle switch RH
Description
DTC B1429 SEAT BELT BUCKLE SWITCH RH
The air bag diagnosis sensor unit monitors the seat belt buckle switch RH
status. If the control unit detects an
open or short condition in the circuit, it will set the DTC.
PART LOCATION
Refer to SRC-5, "Component Parts Location".
D ...
Diagnosis system (bcm) (with intelligent key system)
Common item
Common item : consult function (bcm - common item)
Application item
Consult performs the following functions via can communication with bcm.
Direct diagnostic mode
Description
ECU identification
The BCM part number is displayed.
Self diagnostic result
...
Normal operating condition
Description
FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED)
If the engine speed is above 2,500 rpm under no load (for example, the
selector lever position is neutral and
engine speed is over 2,500 rpm) fuel will be cut off after some time. The exact
time when the fuel is cut off varies
b ...
