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SRS AIR BAG DIAGNOSIS TSB Revision SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-109 STEP 4. Check the passenger's air bag module circuit. (1) Disconnect SRS-ECU connector C-121. DANGER To prevent the air bag from deploying unintentionally, (2) Unclip passenger’s air bag module connector C-110. C-110. CAUTION Do not insert a test probe into the terminal from its front terminals 27 and 28 <1st squib> or 30 and 31 <2nd squib>, Q: Does continuity exist? YES : Erase the diagnostic trouble code memory, and check the diagnostic trouble code. If DTC B1413 <1st ). Then go to Step 6. NO : Go to Step 5. AC305362 CONNECTOR: C-121 C-121 (Y) AH SRS-ECU C-121 42 31 38 27 21 41 28 39 22 30 25 47 36 33 44 34 45 37 48 26 29 23 40 32 43 35 46 24 B A AC307137AC C-110 (Y) FRONT DECK CONNECTOR: C-110 HARNESS SIDE AC301592 42 31 38 27 21 41 28 39 22 30 25 47 36 33 44 34 45 37 48 26 29 23 40 32 43 35 46 24 B A C-121 HARNESS SIDE <1ST SQUIB> AC AC308154 42 31 38 27 21 41 28 39 22 30 25 47 36 33 44 34 45 37 48 26 29 23 40 32 43 35 46 24 B A C-121 HARNESS SIDE <2ND SQUIB> AB |