REMOVAL AND INSTALLATION


caution
  • Disconnect the negative (-) battery terminal and wait for 60 seconds or more before starting work. Insulate the disconnected (-) terminal by wrapping the tape (Refer to the item 5 of Service Precautions ).
  • Never attempt to disassemble or repair SRS-ECU. If damaged, replace with a new SRS-ECU.
  • Do not drop or subject SRS-ECU to impact or vibration. If denting, cracking, deformation, or rust is discovered in SRS-ECU, replace it with a new one.
  • After deployment of the air bags, replace SRS-ECU with a new one.
  • When the SRS-ECU is replaced, chassis number writing and coding must be performed. Perform the coding when SRS-ECU sets diagnosis code No. U1195 (coding incomplete). Refer to the "M.U.T.-III operation manual" and perform coding.
Pre-removal operation
  • Turn the ignition switch to the LOCK (OFF) position.
  • Disconnect the negative (-) battery terminal.




Removal steps


·
 Front floor console panel (Refer to GROUP 52A - Front Floor Console Assembly ).


·
 Rear heater duct A (Refer to GROUP 55 - Duct ).


1.
 SRS-ECU mounting bolt (earth bolt)


2.
 SRS-ECU mounting bolt


3.
 SRS-ECU mounting bolt
<<A>>
4.
 SRS-ECU


5.
 Control unit cover



Installation steps


5.
 Control unit cover

>>A<<
 4.
 SRS-ECU


3.
 SRS-ECU mounting bolt


2.
 SRS-ECU mounting bolt

>>B<<
 1.
 SRS-ECU mounting bolt (earth bolt)


·
 Front floor console panel (Refer to GROUP 52A - Front Floor Console Assembly ).


·
 Rear heater duct A (Refer to GROUP 55 - Duct ).

>>C<<
 ·
 Post-installation inspection

REMOVAL SERVICE POINT

<<A>> SRS-ECU REMOVAL

While pushing the part "A" indicated in the figure of the harness side connector, turn the lock lever to the direction of the arrow to release the lock lever.

INSTALLATION SERVICE POINTS

>>A<< SRS-ECU INSTALLATION
caution If SRS-ECU is not securely and correctly installed, the correct operation of SRS air bag is prevented.

>>B<< SRS-ECU MOUNTING BOLT (EARTH BOLT) INSTALLATION

Check the head mark "E" and install the earth bolt.

>>C<< POST-INSTALLATION INSPECTION
1.Connect the negative (-) battery cable.
2.Turn the ignition switch to the "ON" position.

3.Check that the SRS warning lamp is illuminated for 6 to 8 seconds, and extinguished afterward.
4.If the lamp does not extinguish, perform the troubleshooting (Refer to ).