Two-Step Deployment Control System

DTC B1049, B1881, B1882, B1883, B1886 [TWO-STEP DEPLOYMENT CONTROL SYSTEM]

System Malfunction Location





Detection Condition

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

- Resistance other than 1.10-5.77 ohms detected in passenger-side pre-tensioner seat belt circuit
- Wiring harness between the passenger-side pre-tensioner seat belt and SAS control module has a malfunction

Possible Causes

- Passenger-side pre-tensioner seat belt connector malfunction
- Open or short circuit or short to ground or short to power supply in the wiring harness between the passenger-side pre-tensioner seat belt and SAS control module
- Passenger-side pre-tensioner seat belt malfunction
- SAS control module malfunction

System Wiring Diagram





Diagnostic Procedure