Nissan Altima 2007-2012 Service Manual: P1148, P1168 Closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE: DTC P1148 or P1168 is displayed with another DTC for A/F sensor 1.
Perform the trouble diagnosis for the corresponding DTC.
P0850 PNP Switch
Description
When the selector lever position is P or N, park/neutral position (PNP)
signal from the TCM is sent to ECM
(CVT models).
When the selector lever position is Neutral position, park/n ...
P1212 TCS Communication line
Description
This CAN communication line is used to control the smooth engine operation
during the TCS operation. Pulse
signals are exchanged between ECM and “ABS actuator and electric unit (cont ...
Other materials:
Audio system (sedan)
System Diagram
System Description
AUDIO SYSTEM
The audio system consists of the following components
• AV control unit (audio unit)
• BOSE speaker amp.
• Window antenna
• Antenna amp.
• Steering wheel audio control switches
• Front door speakers
• Tweeters
• Center spe ...
How to adjust the screen (if so equipped)
settings, press the SETTING button while the
RearView Monitor screen is displayed. Each time
the SETTING button is pressed, the next setting
item is selected. Turn the
TUNE·SCROLL/TUNE·FOLDER control knob to
adjust each item.
Available setting items:
● Brightness
● Contrast
...
Ignition signal
Description
The ignition signal from the ECM is sent to and amplified by the power
transistor. The power transistor turns
ON and OFF the ignition coil primary circuit. This ON/OFF operation induces the
proper high voltage in the coil
secondary circuit.
Component Function Check
1.INSPECTION ...