Nissan Altima 2007-2012 Service Manual: Passenger seat belt warning system
System Diagram
System Description
The seat belt warning lamp (1) will remind the driver if the driver or front passenger seat belt should be buckled. The system works in conjunction with the occupant classification system. Refer to SRC- 10, "Occupant Classification System (OCS)".
Passenger Seat Belt Warning System Operation
Component Parts Location
Refer to SRC-7, "SRS Component Parts Location".
Occupant classification system
System Diagram
Occupant Classification System (OCS)
The occupant classification system (OCS) identifies if a child or child seat
is present in the front passenger
seat. The OCS receives input ...
On board diagnostic (OBD) system
Trouble Diagnosis Introduction
CAUTION:
• Do not use electrical test equipment on any circuit related to the SRS unless
instructed to do so in
this Service Manual. SRS wiring harnesses can be i ...
Other materials:
P1740 lock-up select solenoid valve
Description
• Lock-up select solenoid valve controls lock-up clutch pressure or forward
clutch pressure (reverse brake
pressure).
• When controlling lock-up clutch, the valve is turned OFF. When controlling
forward clutch, it is turned ON.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRM ...
ECM branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose
connection (unit side and connector
side).
- ECM
- Harnes ...
Diagnosis system (audio unit)
Diagnosis Description
Self-diagnosis mode can check the following items.
• Audio unit hardware/software versions
• Continuity of each speaker channel
• Continuity of each audio unit switch
OPERATION PROCEDURE
1. Turn ignition switch to the ACC position.
2. Turn the audio unit off.
...
