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SRS AIR BAG DIAGNOSIS SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-204 DTC B1499: SRS-ECU Air Bag Condition Monitor Detects Deployed Air Bag CAUTION If DTC B1499 is set in the SRS-ECU, always diag- . DTC SET CONDITIONS This DTC is set after the air bag has deployed. If this . TROUBLESHOOTING HINTS Malfunction of the SRS-ECU • Refer to circuit diagrams GROUP- • Refer to configuration diagrams GROUP- . DIAGNOSIS Required Special Tool: • MB991958: diagnostic tool (MUT-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) • MB991827: MUT-III USB Cable • MB991910: MUT-III Main Harness A (Vehicles with CAN communication system) STEP 1. Using diagnostic tool MB991958, diagnose the CAUTION To prevent damage to diagnostic tool MB991958, always connect the diagnostic tool ." (2) Turn the ignition switch to the "ON" position. Q: Is the CAN bus line found to be normal? YES : Go to Step 2. Diagnosis ). 00DB076A MB991910 DATA LINK CONNECTOR MB991824 MB991827 |