Registration

SUPPLEMENTAL RESTRAINT SYSTEM: OCCUPANT CLASSIFICATION SYSTEM: REGISTRATION

1. REGISTRATION

NOTICE:
* w/ Navigation System (for HDD):
After the engine switch is turned off, the display and navigation module display (HDD navigation system) records various types of memory and settings. As a result, after turning the engine switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) battery terminal.

Waiting Time before Disconnecting Cable from Negative (-) Battery Terminal:





* When disconnecting the cable, some systems need to be initialized after the cable is reconnected Repair Instruction - Initialization.
* If any DTCs related to the occupant classification ECU are output, troubleshoot those DTCs by referring to the DIAGNOSTIC TROUBLE CODE CHART.
* When ECU data saving or loading operations cannot be performed, replace the front seat set (with occupant classification ECU and occupant detection sensor).

HINT
* When the front seat set (occupant classification ECU) is replaced, the previous ECU data must be saved in the Techstream and loaded into the new ECU by following the flowchart below.
* Until the data from the previous ECU are loaded into the new occupant classification ECU, these data are not erased even when the Techstream is turned off.
* ECU EXCHANGE procedure (Before Exchange) describes the procedure to save the data in the Techstream from the occupant classification ECU which was installed on the vehicle. ECU EXCHANGE procedure (After Exchange) describes the procedure to load the data from the previous ECU, stored in the Techstream, into the new ECU.

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Store the occupant classification ECU data in the Techstream by following the prompts on the Techstream screen.

HINT
If the ECU data cannot be stored in the Techstream, replace the front seat set (with occupant classification ECU and occupant detection sensor).

(d) Turn the engine switch on (IG).

(e) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.

(f) Replace the front seat set (occupant classification ECU) Disassembly.

(g) Connect the negative (-) terminal cable to the battery.

(h) Turn the engine switch on (IG).

(i) Load the data from the previous ECU stored in the Techstream into the newly installed ECU by following the prompts on the Techstream screen.

(j) Turn the engine switch off.

(k) Turn the engine switch on (IG).

(l) Clear the DTCs stored in the memory Reading and Clearing Diagnostic Trouble Codes.

HINT
If DTCs are not cleared at this time, past DTCs will remain.