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SRS AIR BAG DIAGNOSIS TSB Revision SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-159 TROUBLESHOOTING HINTS • Damaged wiring harnesses or connectors • Short to the power supply in the side-airbag mod- ule (RH) (squib) harness • Malfunction of the SRS-ECU . DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (MUT-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) • MB991827: MUT-III USB Cable • MB991911: MUT-III Main Harness B (Vehicles without CAN communication system) • MB991865: Dummy resister • MB991866: Resister harness STEP 1. Check the side-airbag module (RH). (Using scan (3) Connect special tool MB991865 to special tool MB991866. CAUTION Do not insert a test probe into the terminal from its front backprobing. (5) Connect the negative battery terminal. diagnostic trouble code. Q: Is DTC 75 set? YES : Go to Step 2. (RH) (Refer to GROUP 52A, Front Seat ). Then go to Step 4. ACX01649 X0942CA AF CONNECTOR: F-21 F-21 (R) 1 2 HARNESS SIDE AC006042 AW MB991866 F-21 HARNESS F-21 SIDE-AIRBAG MB991865 (DUMMY Ω) |