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DTC 44

BME080201046216

DTC 44 | Short to ground in wiring harness between SAS unit and occupancy sensor
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.

• Terminal 3H of SAS unit connector is shorted to ground.
POSSIBLE CAUSE | • Occupancy sensor malfunction • Short to ground in wiring harness between SAS unit and occupancy sensor • SAS unit malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 |

  Note

  • If occupancy sensor connector (3 terminals) is located on bottom of passenger's seat, vehicle has passenger-side air bag cut-off function.

• Is vehicle equipped with passenger-side air bag cut-off function?
Yes
Go to next step.
No | [Present malfunction diagnosis] Replace SAS unit. (See SAS UNIT REMOVAL/INSTALLATION.) [Past malfunction diagnosis] Troubleshooting completed.
2 | INSPECT WIRING HARNESS BETWEEN OCCUPANCY SENSOR AND 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.
• 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. (Vehicle with side air bag)
• Remove B-pillar lower trim. (Vehicle with pre-tensioner seat belt)
• Disconnect driver and passenger-side pre-tensioner seat belt connector. (Vehicle with pre-tensioner seat belt)
• Turn up floor covering.
• Disconnect all SAS unit connectors.
• Disconnect occupancy sensor connector.
• Inspect wiring harness between terminal B of occupancy sensor connector and terminal 3H of SAS unit connector for following.

  - Short to ground

• Is wiring harness okay?
Yes

[Present malfunction diagnosis]

Go to next step.

[Past malfunction diagnosis]

Troubleshooting completed.
No | Replace wiring harness.
3 | VERIFY WHETHER MALFUNCTION IS IN OCCUPANCY SENSOR OR SAS UNIT • Connect all SAS unit connectors. • Connect clock spring connector. • Connect passenger-side side bag sensor connector. (Vehicle with side air bag) • Connect driver-side air bag module connector.
• Connect driver- and passenger-side pre-tensioner seat belt connectors. (Vehicle with pre-tensioner seat belt)
• Connect negative battery cable.
• Turn ignition switch to ON position.
• Is DTC 44ndicated?
Yes
Replace SAS unit.
(See SAS UNIT REMOVAL/INSTALLATION.)
No | Replace seat cushion. (See FRONT SEAT DISASSEMBLY/ASSEMBLY.)