Nissan Altima 2007-2012 Service Manual: Diagnosis system (ECM)
CONSULT-III Function
CONSULT-III APPLICATION ITEMS
CONSULT-III can display each diagnosis item using the diagnosis test modes shown following.
DATA MONITOR
Display Item List
Air conditioner control
System Diagram
CONTROL SYSTEM
The control system consists of input sensors, switches, front air control and
outputs. The relationship of these
components is shown in the figure below:
System ...
Other materials:
Power supply and ground circuit
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 link after repairing the affected
circuit.
NO >> GO TO 2
2. CHECK POWER SUPPLY CIRCUIT
1. ...
P0139 HO2S2
Description
The heated oxygen sensor 2, after three way catalyst (manifold),
monitors the oxygen level in the exhaust gas on each bank.
Even if switching characteristics of the air fuel ratio (A/F) sensor 1
are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal
from th ...
Pre-inspection for diagnostic
Basic Inspection
The engine start function, door lock function, power distribution system and
NATS-IVIS/NMS in the Intelligent
Key system are closely related to each other regarding control. Narrow down the
functional area in question
by performing basic inspection to identify which function ...