Nissan Sentra manuals

Nissan Sentra Service Manual: B142X Collision detection

Description

DTC B142X COLLISION DETECTION

The air bag diagnosis sensor unit will set this DTC if it has detected a collision which has resulted in a 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-5, "Component Parts Location".

DTC Logic

DTC DETECTION LOGIC

With CONSULT

DTC CONFIRMATION PROCEDURE (With CONSULT)


DTC CONFIRMATION PROCEDURE (With CONSULT)

1.INSPECTION START

Turn ignition switch ON.

>> GO TO 2.

2.CHECK SELF-DIAG RESULT

Check for the DTC on CONSULT.

Is the DTC detected? YES >> Refer to SRC-98, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

Refer to SR-5, "For Frontal Collision" or SR-7, "For Side and Rollover Collision".

B142A Ignition voltage
Description DTC B142A IGNITION VOLTAGE Ignition voltage is supplied to the air bag diagnosis sensor unit when the ignition is in the ON position. The air bag diagnosis sensor unit will monitor f ...

B14XX Air bag diagnosis sensor unit
Description DTC B14XX AIR BAG DIAGNOSIS SENSOR UNIT The air bag diagnosis sensor unit will run self diagnostics when the ignition switch is turned ON. It has the potential to set many diagnostic ...

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