DTC 11


BME080201046208

DTC 11

Driver-side pre-tensioner seat belt system

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.
• Resistance detected between terminals 3A and 3C of SAS unit is other than 1.83-2.81W.
• Short circuit in wiring harness related terminal 3A or 3C of SAS unit

POSSIBLE CAUSE

• Drive-side pre-tensioner seat belt malfunction
• Malfunction of connectors between driver-side pre-tensioner seat belt and SAS unit
• Open or short circuit in wiring harness between driver-side pre-tensioner seat belt and SAS unit
• SAS unit malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
Is vehicle equipped with pre-tensioner seat belt?
Yes
Go to next step.
No
Replace SAS unit.
2
INSPECT OF DRIVER-SIDE PRE-TENSIONER SEAT BELT CONNECTOR
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 driver-side B-pillar lower trim.
• Disconnect driver-side pre-tensioner seat belt connector.
• Is there cracking or chipping in driver-side pre-tensioner seat belt connector?
Yes
Replace wiring harness.
No
Present malfunction diagnosis:
• Go to next step.
Past malfunction diagnosis:
• Go to Step 4.
3
VERIFY WHETHER MALFUNCTION IS IN DRIVER-SIDE PRE-TENSIONER SEAT BELT OR OTHER PARTS
• Connect leads of SST (Fuel And
Thermometer checker) or apply 2 W resistor to terminals A and B of driver-side
pre-tensioner seat belt connector.
• Set resistance of SST (Fuel And
Thermometer checker) to 2 W.
• Connect negative battery cable.
• Turn ignition switch to ON position.
• Is DTC 7 indicated?
Yes
Go to next step.
No
Replace driver-side pre-tensioner seat belt.
4
INSPECT WIRING HARNESS BETWEEN DRIVER-SIDE PRE-TENSIONER SEAT BELT ANS SAS UNIT
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait for more than 1 minute.
• Remove clock spring.
• 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 passenger-side B-pillar lower trim.(Vehicle with pre-tensioner seat belt)
• Disconnect passenger-side pre-tensioner seat belt connector.
• Turn up floor covering.
• Disconnect all SAS unit connectors.
• Inspect wiring harness between terminal 3A of SAS unit connector and terminal A of driver-side pre-tensioner seat belt connector, and between terminal 3C of SAS unit connector and terminal B of driver-side pre-tensioner seat belt connector for following.
- Short to ground
- Short to power supply
- Open circuit
• Are wiring harnesses okay?
Yes
Present malfunction diagnosis:
• Replace SAS unit.
Past malfunction diagnosis:
• Replace passenger-side pre-tensioner seat belt.
No
Replace wiring harness.