Mazda 3 Service Manual: Seat Warmer Unit Inspection

WARNING:

• Handling a front seat (with built-in side air bag) improperly can accidentally operate (deploy) the air bag, which may seriously injure you. Read the service warnings before handling a front seat (with built-in side air bag)..

CAUTION:

• After removing a front seat, do not operate the slider lever. If the slider lever is operated, the left and right slide positions will deviate, and the slide adjuster may be damaged after the front seat is installed.

• Verify that there are no malfunctions in the sliding mechanism after installing a front seat.

• When performing the procedure with a front seat removed from the vehicle, perform the procedure on a clean rag so as not to damage or soil the seat.

• When the passenger's seat is removed, perform the seat weight sensor inspection using the M-MDS after installing the passenger's seat..

• When the passenger's seat is replaced with a new one, perform the seat weight sensor calibration using the M-MDS..

Seat Cushion

1. Remove the battery cover..

2. Disconnect the negative battery cable and wait 1 min or more

..

3. Remove the front seat..

4. Remove the front seat side cover.

5. Remove the front seat cushion trim..

6. Verify that the continuity between terminals A and B is as indicated in the table.

• If not as indicated in the table, replace the seat warmer unit..

  

  
  

Seat Back

1. Remove the battery cover..

2. Disconnect the negative battery cable and wait 1 min or more

..

3. Remove the front seat..

4. Remove the front seat back trim..

5. Verify that the continuity between terminals A and B is as indicated in the table.

• If not as indicated in the table, replace the seat warmer unit..