Nissan Altima 2007-2012 Service Manual: Warning chime system
System Diagram
System Description
COMBINATION METER
• The buzzer (1) for warning chime system is installed in the combination meter.
• The buzzer sounds when the combination meter receives a buzzer output signal from each unit.
BCM
BCM receives signals from various units and transmits a buzzer output signal to the combination meter with CAN communication line if it judges that the warning buzzer should be activated.
Component Parts Location
1. Combination meter M24
2. Combination switch (lighting switch) M28
3. Seat belt buckle switch LH B202
4. Door switch LH B8
5. BCM M16, M17, M18, M19 (view with instrument panel removed)
6. ABS actuator and electric unit (control unit) E26
7. Parking brake switch M73 (sedan with M/T or coupe) (view with center console removed)
8. Parking brake switch E35 (sedan with CVT) [view with instrument panel lower cover (LH) removed]
Component Description
Light reminder warning chime
System Diagram
System Description
DESCRIPTION
With ignition switch in OFF or ACC position, driver door open, and lighting
switch in 1ST or 2ND position, the
light warning chime will sound.
...
Other materials:
U1244 GPS antenna
Description
Refer to AV-240, "System Description".
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.GPS ANTENNA CHECK
Inspect GPS antenna and antenna feeder for damage or poor connection.
Is the GPS antenna and feeder clean and undamaged?
YES >> GO TO 2
NO >& ...
M&A 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 terminals and connectors of the combination meter for damage, bend
and loose connection
(unit side and connector side).
...
P0112, P0113 iat sensor
Description
The intake air temperature sensor is built-into mass air flow sensor
(1). The sensor detects intake air temperature and transmits a signal
to the ECM.
The temperature sensing unit uses a thermistor which is sensitive to
the change in temperature. Electrical resistance of the therm ...