Nissan Altima (L32) 2007-2012 Service Manual: DTC U1000 can communication
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
Symptom: Displays “CAN COMM CIRC [U1000]” as a self-diagnosis result of
combination meter.
1.CHECK CAN COMMUNICATION
Select “SELF-DIAG RESULTS” mode for “METER/M&A” with CONSULT-III.
>> Go to “LAN system”. Refer to LAN-10, "Condition of Error Detection".
Description
The ABS actuator and electric unit (control unit) provides a vehicle speed
signal to the combination meter via
CAN communication lines.
DTC Logic
Diagnosis Procedure
Symptom: Disp ...
Other materials: All-Wheel Drive (AWD) (if so equipped)
If any malfunction occurs in the AWD system
while the engine is running, messages
are displayed in the meter.
If the AWD error warning message is displayed,
there may be a malfunction in the
AWD system. Reduce vehicle speed and
have your vehicle checked. It is recommended
that you visit a NISSAN de ...
Head restraints/headrests
WARNING
Head restraints/headrests supplement
the other vehicle safety systems. They
may provide additional protection
against injury in certain rear end collisions.
Adjustable head restraints/
headrests must be adjusted properly,
as specified in this section. Check the
adjustment after someone else ...
Parking brake
WARNING
Be sure the parking brake is fully released
before driving. Failure to do so
can cause brake failure and lead to
an accident.
Do not release the parking brake
from outside the vehicle.
Do not use the shift lever in place of
the parking brake. When parking,
be sure the parking brake ...
Component diagnosis
DTC B2205 Vehicle speed circuit