| 1 |
Unfasten driver-side seat belt. (Buckle switch ON) |
 Courtesy of MAZDA MOTORS CORP.
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Go to the next step. |
 Courtesy of MAZDA MOTORS CORP.
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Inspect the following parts:
- Buckle switch (driver-side)
- SAS control module
- Wiring harness (Buckle switch (driver-side) - SAS control module)
|
 Courtesy of MAZDA MOTORS CORP.
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Using the DTC and PID of SAS control module, inspect the SAS control module, buckle switch and the related wiring harnesses.
- If there is no malfunction, inspect for continuity between SAS control module terminal 1X and instrument cluster terminal 2A (wiring harness-side).
- If there is continuity, replace the instrument cluster.
|
| 2 |
Fasten driver-side seat belt. (Buckle switch OFF) |
 Courtesy of MAZDA MOTORS CORP.
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Go to the next step. |
 Courtesy of MAZDA MOTORS CORP.
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Inspect the following parts:
- Buckle switch (driver-side)
- SAS control module
- Wiring harness (Buckle switch (driver-side)-SAS control module)
|
 Courtesy of MAZDA MOTORS CORP.
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Using the DTC and PID of SAS control module, inspect the SAS control module, buckle switch and the related wiring harnesses.
- If there is no malfunction, inspect for continuity between SAS control module terminal 1X and instrument cluster terminal 2A (wiring harness-side).
- If there is continuity, replace the instrument cluster.
|
| 3 |
Seat one person in the passenger's seat, and unfasten passenger-side seat belt. (Seat weight sensor and buckle switch ON) |
 Courtesy of MAZDA MOTORS CORP.
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Go to the next step. |
 Courtesy of MAZDA MOTORS CORP.
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Inspect the following parts:
- Buckle switch (passenger-side)
- Seat weight sensor control module
- Seat weight sensor
- SAS control module
- Wiring harness (Buckle switch (passenger-side)-SAS control module, seat weight sensor-Seat weight sense control module-SAS control module)
|
 Courtesy of MAZDA MOTORS CORP.
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Using the DTC and PID of SAS control module, inspect the SAS control module, buckle switch (driver-side, passenger-side), seat weight sensor control module, seat weight sensor and related wiring harnesses.
- If there is no malfunction, inspect for the continuity between SAS control module terminal 1X and instrument cluster terminal 2A (wiring harness-side).
- If there is a continuity, replace the instrument cluster.
|
 Courtesy of MAZDA MOTORS CORP.
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| 4 |
Seat one person in the passenger's seat, and fasten passenger-side seat belt. (Seat weight sensor ON and buckle switch OFF)
Seat no person in the passenger's seat, and unfasten passenger-side seat belt. (Seat weight sensor OFF and buckle switch ON)
Seat no person in the passenger's seat, and fasten passenger-side seat belt. (Seat weight sensor and buckle switch OFF) |
 Courtesy of MAZDA MOTORS CORP.
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Input signal to the instrument cluster is normal. |
 Courtesy of MAZDA MOTORS CORP.
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Inspect the following parts:
- Buckle switch (passenger-side)
- Seat weight sensor control module
- Seat weight sensor
- SAS control module
- Wiring harness (Buckle switch (passenger-side)-SAS control module, seat weight sensor-Seat weight sense control module-SAS control module)
|
 Courtesy of MAZDA MOTORS CORP.
|
Using the DTC and PID of SAS control module, inspect the SAS control module, buckle switch (driver-side, passenger-side), seat weight sensor control module, seat weight sensor and the related wiring harnesses.
- If there is no malfunction, inspect for continuity between SAS control module terminal 1X and instrument cluster terminal 2A (wiring harness-side).
- If there is continuity, replace the instrument cluster.
|
 Courtesy of MAZDA MOTORS CORP.
|