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Start Stop Unit Removal/Installation: Notes

WARNING:
CAUTION:
  • Never remove bolts and screws other than the bolt in Steps  7 and  8. Otherwise, it will cause internal damage and the steering lock cannot be unlocked, resulting in the inability to perform the start-stop unit removal/installation.
  • If configuration is not performed when the start stop unit is replaced with a new one, the vehicle specification information is not stored in the start stop unit and the system will not operate normally.
  • When performing configuration, it is necessary to read the vehicle specification information from the start stop unit before replacing it. Connect the M-MDS to the vehicle and perform vehicle identification before removing the start stop unit. The vehicle specification information is temporarily stored in the M-MDS.
NOTE:
  • The start stop unit prior to replacement stores the vehicle specification information.
  • A new start stop unit does not store any vehicle specification information.
  • If the vehicle specification information from the start stop unit prior to replacement cannot be read, perform the configuration using As-Built data.
  1. When replacing the start stop unit, perform the configuration. (Refer to START STOP UNIT CONFIGURATION (USING READ/WRITE FUNCTION) .)
  2. Disconnect the negative battery terminal and wait for 1 min or more  . (Refer to NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  3. Remove the following parts:
    1. Glove compartment (Refer to GLOVE COMPARTMENT REMOVAL/INSTALLATION .)
    2. Passenger-side decoration panel (Refer to DECORATION PANEL REMOVAL/INSTALLATION .)
    3. Column cover (Refer to COLUMN COVER REMOVAL/INSTALLATION .)
    4. Driver-side decoration panel (Refer to DECORATION PANEL REMOVAL/INSTALLATION .)
    5. Meter hood (Refer to METER HOOD REMOVAL/INSTALLATION .)
    6. Driver-side air bag module (Refer to DRIVER-SIDE AIR BAG MODULE REMOVAL [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) (Refer to DRIVER-SIDE AIR BAG MODULE INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) (Refer to DRIVER-SIDE AIR BAG MODULE REMOVAL [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (Refer to DRIVER-SIDE AIR BAG MODULE INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM] .)
    7. Steering wheel (Refer to STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION .)
    8. Clock spring (Refer to CLOCK SPRING REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) (Refer to CLOCK SPRING REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM] .)
    9. Wiper and washer switch (Refer to WIPER AND WASHER SWITCH REMOVAL/INSTALLATION .)
    10. Light switch (Refer to LIGHT SWITCH REMOVAL/INSTALLATION .)
  4. Disconnect the connector.
    Fig 1: Pressing Tabs Of Clip
    G10949860Courtesy of MAZDA MOTORS CORP.
  5. While pressing the tabs of the clip in the direction of arrow (1) shown in the figure, press it in the direction of arrow (2) to detach the connector tabs from the start stop unit.
  6. Remove the wiring harness clip from the start stop unit.
  7. Make a groove on the heads of the bolts by punching them with a chisel using a hammer.
    Fig 2: Making Groove On Heads Of Bolts By Punching With Chisel Using Hammer
    G10949861Courtesy of MAZDA MOTORS CORP.
  8. Remove the bolts by rotating them counterclockwise.
  9. Remove the start stop unit from the steering shaft by pulling it in the direction of the arrow shown in the figure.
    Fig 3: Removing Start Stop Unit From Steering Shaft
    G10949862Courtesy of MAZDA MOTORS CORP.
  10. Install in the reverse order of removal. (Refer to START STOP UNIT INSTALLATION NOTE .)
  11. Perform the following when replacing the start stop unit.
    NOTE:
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