Nissan Altima 2007-2012 Service Manual: Component diagnosis
- B1049 – B1052, B1054 – B1057 driver airbag module
- B1065 – B1068, B1070 – B1073 passenger airbag module
- B1134 – B1137 side airbag module LH
- B1129 – B1132 side airbag module RH
- B1150 – B1153 side curtain air bag module LH
- B1145 – B1148 side curtain air bag module RH
- B1086 – B1089 seat belt pre-tensioner LH
- B1081 – B1084 seat belt pre-tensioner RH
- B1033 – B1035 crash zone sensor
- B1118 – B1120 satellite sensor LH
- B1113 – B1115 satellite sensor RH
- B1xxx air bag diagnosis sensor unit
- B1023 passenger air bag off indicator
- B1017 – b1022 occupant classification system
- B1209 – b1210 collision detection
On board diagnostic (OBD) system
Trouble Diagnosis Introduction
CAUTION:
• Do not use electrical test equipment on any circuit related to the SRS unless
instructed to do so in
this Service Manual. SRS wiring harnesses can be i ...
B1049 – B1052, B1054 – B1057 driver airbag
module
Description
DTC B1049 – B1052, B1054 – B1057 DRIVER AIRBAG MODULE
The driver air bag module is dual stage and wired to the air bag diagnosis
sensor unit through the spiral cable.
The air ba ...
Other materials:
P0745 line pressure solenoid valve
Description
The pressure control solenoid valve A (line pressure solenoid valve)
regulates the oil pump discharge pressure
to suit the driving condition in response to a signal sent from the TCM.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
If “DTC CONFIRMATION PROCE ...
Engine coolant
Changing Engine Coolant
WARNING:
• To avoid being scalded, never change the coolant when the engine is hot.
• Wrap a thick cloth around cap and carefully remove the cap. First, turn the
cap a quarter of a turn to
release built-up pressure. Then turn the cap all the way.
DRAINING ENGINE ...
P0840 transmission fluid pressure
sensor A (sec pressure sensor)
Description
The transmission fluid pressure sensor A (secondary pressure sensor) detects
secondary pressure of CVT
and sends TCM the signal.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn
igni ...