|
|
If DTC B1B23 is set in the SRS-ECU, always CIRCUIT OPERATION ⦆ The SRS-ECU judges how severe a collision is by ⦆ The ignition signal is input to the curtain air bag DTC SET CONDITIONS TROUBLESHOOTING HITS ⦆ Improper engaged connector or defective short ⦆ Short circuit between the curtain air bag module ⦆ Damaged connector(s) ⦆ Malfunction of the SRS-ECU NOTE: *: The squib circuit connectors integrate a "short" spring (which prevents the air bag from
DIAGNOSIS Required Special Tools: ⦆ MB991958: Scan Tool (M.U.T.-III Sub Assembly) ⦆ MB991824: Vehicle Communication Interface (V.C.I.) ⦆ MB991827: M.U.T.-III USB Cable ⦆ MB991910: M.U.T.-III Main Harness A (Vehicles with ⦆ MB991865: Dummy resistor ⦆ MB991866: Resister harness SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-131 SRS AIR BAG DIAGNOSIS |