Nissan Sentra B18 (2020-2025) Service Manual: Work Procedure

Work Procedure

Since vehicle specifications are not yet written in a new air bag diagnosis sensor unit, it is necessary to write then “Re/programming, Configuration” with CONSULT.

Configuration has three functions as follows:

Function		Description
Before Replace ECU		Reads the Nissan Sentra vehicle specification of current air bag diagnosis sensor unit. Saves the read vehicle specification.
After Replace ECU	FAST linked	Searched for by using Global Web-FAST (NISSAN parts catalogue) to automatically write the Type ID* into the air bag diagnosis sensor unit.
	Manual selection	Searched for by using Global Web-FAST (NISSAN parts catalogue) to write the selected Type ID* into the air bag diagnosis sensor unit. Writes the Nissan Sentra vehicle configuration by manual selection. Note: This item is displayed, but not used.

*: For the Type ID, that part number (Nissan Sentra vehicle specification) to be written to the air bag diagnosis sensor unit.

1. CHECKING AIR BAG DIAGNOSIS SENSOR UNIT TYPE ID

   1. CONSULT

      1. Perform ECU setting according to the “C/U setting” procedure in the “CONSULT Operation Manual”. Refer to CONSULT Operation Manual.

      2. Check if the Type ID of the air bag diagnosis sensor unit is displayed on the CONSULT screen.

   Is Type ID displayed?

   YES >>

   GO TO 2.

   NO >>

   GO TO 3.

2. WRITING Nissan Sentra Vehicle SPECIFICATION

   1. CONSULT

      Follow the procedure displayed in CONSULT for writing the saved Nissan Sentra vehicle specification data to the air bag diagnosis sensor unit.

   >>

   GO TO 5.

3. CHECKING AIR BAG DIAGNOSIS SENSOR UNIT TYPE ID

   1. Use Global Web-FAST (NISSAN parts catalogue) to search for the air bag diagnosis sensor unit of the applicable Nissan Sentra vehicle and find the Type ID. Refer to “FAST linked” in the “CONSULT Operation Manual”.

      Note:

      For FAST linked parts, even if a system number cannot be acquired from the air bag sensor unit before replacement, the applicable ECU setting operation can still be performed by acquiring the system number from Global Web-FAST (NISSAN parts catalogue).

   >>

   GO TO 4.

4. WRITING Nissan Sentra Vehicle SPECIFICATION (FAST LINKED)

   1. CONSULT

      Perform ECU setting according to the “C/U setting” procedure in the “CONSULT Operation Manual”. Refer to CONSULT Operation Manual.

   >>

   GO TO 5.

5. CHECK ALL ECU SELF DIAGNOSTIC RESULT

   1. CONSULT

      1. Erase all ECU self-diagnosis results.

      2. Ignition switch OFF.

      3. Ignition switch ON.

      4. Check that all ECU self-diagnosis results have no DTC.

   >>

   Work End.

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