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:
P1421 Cold start control
Description
ECM controls ignition timing and engine idle speed when engine is started
with pre-warming up condition.
This control promotes the activation of three way catalyst by heating the
catalyst and reduces emissions.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC P1421 is displayed ...
Precaution
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
dr ...
IPDM-E branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the IPDM E/R for damage, bend and loose
connection (unit side
and connector side).
Is the in ...
