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SRS AIR BAG DIAGNOSIS TSB Revision SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-39 CAUTION If DTC B1207 is set in the SRS-ECU, always diag- . CIRCUIT OPERATION • Power for the passenger’s air bag OFF indicator light is supplied from the ignition switch (IG1). • The passenger’s air bag OFF indicator light illu- minates when the ignition switch is turned to the . DTC SET CONDITIONS This DTC will be set if the passenger’s air bag OFF . TROUBLESHOOTING HINTS • Damaged wiring harnesses or connectors • Malfunction of the SRS-ECU • Malfunction of the passenger’s air bag OFF indi- cator light 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 CAN Communication System) AC708951AB C-37 (Y) C-124 Connectors: C-37, C-124 AC608152 AE Connector: C-317 Junction block |