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DTC 1

BME080201046203

DTC 1 | SAS unit connector poor connection
DETECTION CONDITION |

  Warning

  • Detection conditions are for understanding DTC outline before performing inspection. Performing inspection with only detection conditions may cause injury due to operating error or damage the system. When performing inspection, always follow inspection procedure.

• There is no continuity between poor connection detector bar terminals of SAS unit.
• SAS unit connector terminal 2AA is open. (Vehicles without side air bag)
POSSIBLE CAUSE | • Poor connection of any SAS unit connectors • Malfunction of any SAS unit connectors • Open or short circuit in wiring harness between SAS unit and ground • SAS unit malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | VERIFY THAT ALL SAS unit CONNECTORS ARE CONNECTED WITH SAS unit

  Warning

  • Handling air bag system components improperly can accidentally deploy air bag modules and pre-tensioner seat belts, which may seriously injure you. Read AIR BAG SYSTEM SERVICE WARNINGS before handling air bag system components. See SERVICE WARNINGS.

• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait for more than 1 minute.
• Turn up floor covering.
• Are all SAS unit connectors securely connected?
Yes
Go to next step.
No | Reconnect connector properly.
2 | INSPECT ALL SAS unit CONNECTORS • Remove clock spring. (See CLOCK SPRING REMOVAL/INSTALLATION.) • Remove glove compartment. • Disconnect passenger-side air bag module connector.
• Disconnect driver and passenger-side side air bag module connectors. (Vehicles with side air bag)
• Disconnect driver and passenger-side pre-tensioner seat belt connectors.(Vehicle with pre-tensioner seat belt)
• Remove B-pillar lower trims.(Vehicle with pre-tensioner seat belt)
• Disconnect all SAS unit connectors.
• Are poor connection detector bars of all SAS unit connectors okay?
Yes
Go to next step.
No | Replace wiring harnesses.
3 | • Is vehicle equipped with side air bag? | Yes | Present malfunction diagnosis: • Replace SAS unit. (See SAS UNIT REMOVAL/INSTALLATION.) Past malfunction diagnosis: • Troubleshooting completed.
No | Go to next step.
4 | VERIFY THAT SAS unit CONNECTOR TERMINAL 2AA IS GROUNDED • Inspect wiring harness between SAS unit connector terminal 2AA and ground for following.

  - Short to power supply
  - Open circuit

• Is wiring harness okay?
Yes
Present malfunction diagnosis:
• Replace SAS unit.
(See SAS UNIT REMOVAL/INSTALLATION.)
Past malfunction diagnosis:
• Troubleshooting completed.
No | Replace wiring harness.