Nissan Altima 2007-2012 Service Manual: ECU diagnosis
AIR CONDITIONER CONTROL
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
Wiring Diagram - Air Conditioner Control (Auto) - Coupe
Wiring Diagram - Air Conditioner Control (Auto) - Sedan
Power supply and ground circuit for front air control
Description
COMPONENT DESCRIPTION
FRONT AIR CONTROL
The front air control has a built-in microcomputer which processes
information sent from various sensors needed for air conditioner
operation. ...
Other materials:
B2110 PNP/Clutch interlock switch
Description
IPDM E/R confirms the shift position with the following signals.
• Park/neutral position (PNP) switch
• Shift position signal from BCM (CAN)
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2110 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000 ...
Warning signals
To help prevent the vehicle from moving unexpectedly
by erroneous operation of the Intelligent
Key or to help prevent the vehicle from being
stolen, a chime or buzzer sounds from inside and
outside the vehicle and a warning is displayed in
the instrument panel.
When a chime or beep sounds or ...
P1720 VSS
Description
ECM receives two vehicle speed signals via the CAN communication line. One is
sent from “ABS actuator and
electric unit (control unit)” via the combination meter, and the other is from
TCM (Transmission control module).
ECM uses these signals for engine control.
DTC Logic
...
