Nissan Altima 2007-2012 Service Manual: Meter buzzer circuit
Description
• The buzzer for warning chime system is installed in the combination meter.
• The combination meter sounds the alarm buzzer based on the signals transmitted from various units.
Component Function Check
1. CHECK OPERATION OF METER BUZZER
1. Select “BUZZER” of “BCM” on CONSULT-III.
2. Perform “LIGHT WARN ALM” of “ACTIVE TEST”.
Does meter buzzer activate? YES >> Inspection End.
NO >> Replace combination meter. Refer to MWI-176, "Removal and Installation".
Diagnosis Procedure
1. CHECK POWER SUPPLY OF COMBINATION METER
Check power supply of combination meter. Refer to MWI-43, "COMBINATION METER : Diagnosis Procedure".
Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace harness.
BCM (Body control module)
Diagnosis Procedure
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuse or fusible link are blown.
Is the fuse or fusible link blown?
YES >> Replace the blown fuse or fusible li ...
Seat belt buckle switch signal circuit
Description
Transmits a seat belt buckle switch signal to the combination meter.
Component Function Check
1. CHECK COMBINATION METER INPUT SIGNAL
Select “DATA MONITOR” for “METER/M&A” ...
Other materials:
P0720 vehicle speed sensor cvt (secondary
speed sensor)
Description
The vehicle speed sensor CVT [output speed sensor (secondary speed sensor)]
detects the revolution of the
CVT output shaft and emits a pulse signal. The pulse signal is sent to the TCM,
which converts it into vehicle
speed.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCE ...
B2560 starter control relay
Description
Starter control relay, integrated in IPDM E/R, permits the starter relay
operation when in N or P position and
the steering is locked or unlocked. It is installed in parallel with the starter
relay.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2560 is displayed with DTC U1 ...
Component diagnosis
Wiring Diagram - Coupe
Wiring Diagram - Sedan
...