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Home >> Mazda >> 2011 >> MX-5 Miata Sport, Standard >> Repair and Diagnosis (Single Page) >> Electrical >> Horns >> Information Center [Instrumentation/Driver Info] >> Instrument Cluster Input/Output Check Mode >> Check Code Inspection >> Check code 01
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Check code 01

CODE INSPECTION CONDITION CHART

Check code 01 Buckle switch and passenger sensing system
STEP INSPECTION CONDITION DISPLAY ACTION
1 Unfasten driver-side seat belt. (Buckle switch ON). on d Go to the next step.
oFF d Inspect the following parts:
  • Buckle switch (driver-side)
  • SAS control module
  • Wiring harness (Buckle switch (driver-side)-SAS control module)
Err 1 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 (wiring harness-side) and instrument cluster terminal 2A (wiring harness-side).
    • If there is a continuity, replace the instrument cluster.
2 Fasten driver-side seat belt. (Buckle switch OFF). oFF d Go to the next step.
on d Inspect the following parts:
  • Buckle switch (driver-side)
  • SAS control module
  • Wiring harness (Buckle switch (driver-side)-SAS control module)
Err 1 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 (wiring harness-side) and instrument cluster terminal 2A (wiring harness-side).
    • If there is a continuity, replace the instrument cluster.
3 Seat one person in the passenger-seat, and unfasten passenger-side seat belt. (Seat weight sensor and buckle switch ON). on P Go to the next step.
oFF P 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 sensor control module-SAS control module)
Err 1 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 (wiring harness-side) and instrument cluster terminal 2A (wiring harness-side).
    • If there is a continuity, replace the instrument cluster.
Err 2 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 sensor control module-SAS control module)
4
  • Seat one person in the passenger-seat, and fasten passenger-side seat belt. (Seat weight sensor ON and buckle switch OFF).
  • Seat no person in the passenger-seat, and unfasten passenger-side seat belt. (Seat weight sensor OFF and buckle switch ON).
  • Seat no person in the passenger-seat, and fasten passenger-side seat belt. (Seat weight sensor and buckle switch OFF).
 oFF P Input signal to the instrument cluster is normal.
on P 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 sensor control module-SAS control module)
Err 1 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 (wiring harness-side) and instrument cluster terminal 2A (wiring harness-side).
    • If there is a continuity, replace the instrument cluster.
Err 2 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 sensor control module-SAS control module)
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