Nissan Altima 2007-2012 Service Manual: ECU diagnosis
BCM (BODY CONTROL MODULE) Reference Value
VALUES ON THE DIAGNOSIS TOOL
Terminal Layout
Physical Values
1: Sedan only
2: With LH front window anti-pinch
3: With LH and RH front window anti-pinch
4: With Intelligent Key
5: Without Intelligent Key
Wiring Diagram - Coupe
Wiring Diagram - Sedan
Passenger side door mirror defogger
Description
Heats the heating wire with the power supply from the rear window defogger
relay to prevent the door mirror
from fogging up.
Component Function Check
1.CHECK DOOR MIRROR DEFOGGER RH
...
Other materials:
B2557 vehicle speed
Description
BCM receives the 2 vehicle speed signals via CAN communication. One signal is
transmitted by the “unified
meter”. Another signal is transmitted by “ABS actuator and electric unit
(control unit)”. BCM compares both
signals to detect the vehicle speed.
DTC Logic
DTC DETE ...
Engine oil
Inspection
OIL LEVEL
NOTE:
• Before starting the engine, check the oil level. If the engine is
already started, stop it and allow 10 minutes before checking.
• Check that the oil level is within the range as indicated on the dipstick.
• If it is out of range, add oil as necessary. Re ...
Insufficient cooling
Component Function Check
SYMPTOM: Insufficient cooling
INSPECTION FLOW
1. CONFIRM SYMPTOM BY PERFORMING OPERATION CHECK - TEMPERATURE DECREASE
1. Press the A/C switch.
2. Turn temperature control dial counterclockwise to maximum cold.
3. Check for cold air at discharge air outlets.
Can ...