Nissan Altima 2007-2012 Service Manual: B1209 – b1210 collision detection

Description

DTC B1209 - B1210 COLLISION DETECTION

The air bag diagnosis sensor unit will set this DTC if it has detected a collision which has resulted in a frontal or side deployment of one or more air bags or pre-tensioners. If this DTC is detected after a SRS repair, the air bag diagnosis sensor unit has not yet been replaced. This DTC can not be erased.

PART LOCATION

Refer to SRC-7, "SRS Component Parts Location".

DTC Logic

DTC DETECTION LOGIC

With CONSULT-lll

DTC CONFIRMATION PROCEDURE (With CONSULT-lll)

1.INSPECTION START

Turn ignition switch ON.

>> GO TO 2.

2.CHECK SELF-DIAG RESULT

Check for the DTC on CONSULT-lll.

Is the DTC detected? YES >> Refer to SRC-57, "Diagnosis Procedure (Component Diagnosis)".

NO >> Inspection End.

Diagnosis Procedure (Component Diagnosis)

Refer to SR-20, "For Frontal Collision" or SR-21, "For Side and Rollover Collision".

    B1017 – b1022 occupant classification system
    Description DTC B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM (OCS) The occupant classification system control unit is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor u ...

    Ecu diagnosis
    DIAGNOSIS SENSOR UNIT Wiring Diagram Trouble Diagnosis with CONSULT-III DIAGNOSTIC CODE CHART NOTE: Follow the procedures in numerical order when repairing malfunctioning pa ...

    Other materials:

    B210C starter control relay
    Description Starter control relay, integrated in IPDM E/R, permits the starter relay operation when in N or P position and the steering is locked or unlocked. It is installed in parallel with the starter relay. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B210C is displayed with DTC U10 ...

    Can communication
    System Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle, and ...

    Precaution
    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 driver and front ...