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TROUBLESHOOTING SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-124 STEP 2. Check whether the diagnosis code is Check again if the diagnosis code is set. not reset. Q: Is the diagnosis code set? YES : Go to Step 3. NO : There is an intermittent malfunction such as STEP 3. Check the curtain air bag module (RH). (2) Disconnect the intermediate connector G-22 (connection between rear floor harness and floor (3) Connect special tool dummy resistor (MB991865) to special tool resistor harness (MB991866). CAUTION Do not insert a test probe into the terminal from floor harness side connector G-22 by (5) Connect the negative battery terminal. diagnosis code. Q: Is diagnosis code B1453 set? YES : Go to Step 4. NO : Go to Step 5. STEP 4. Check the curtain air bag module circuit. (2) Disconnect SRS-ECU connector C-120. CAUTION Do not insert a test probe into the terminal from side connector terminals 5, 6 and body earth. OK: 0 V Q: Is the measured voltage within the specified range? YES : Go to Step 6. NO : Repair the harness wire between SRS-ECU AC302576AE G-22 (R) Connector: G-22 Floor harness Third seat Second seat 2 1 AC006042CA MB991866 G-22 Floor harness G-22 Rear floor MB991865 ΩΩ AC311438 AE C-120 (Y) Connector: C-120 Harness side AC301564 A B 18 10 15 7 13 5 14 6 16 8 17 9 19 11 20 12 1 2 3 4 AC C-120 |