Nissan Altima 2007-2012 Service Manual: Power supply and ground circuit
Power window main switch
Description
• BCM supplies power.
• It operates each power window motor via corresponding power window switch and
makes window move up/
down when main power window and door lock/unlock swi ...
Other materials:
B2193, P1612 chain of ECM-IMMU
Description
BCM performs the ID verification with ECM that allows the engine to start.
Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts
the communication with ECM if
ignition switch is turned ON.
DTC Logic
DTC DETECTION LOGI ...
B260F engine status
Description
BCM receives the engine status signal from ECM via CAN communication.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B260F is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
SEC-433, "DTC Logic".
• If DTC B260F is displayed wi ...
Fuel level sensor signal circuit
Description
The fuel level sensor unit and fuel pump detects the approximate fuel level
in the fuel tank and transmits the
fuel level signal to the combination meter.
Component Function Check
1.COMBINATION METER INPUT SIGNAL
1. Select “METER/M&A” on CONSULT-III.
2. Using “FUEL M ...