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STEP 2. Recheck for diagnostic trouble code. ZC501967 AC404789 ZC5019680000 MB991824 MB991827 MB991910 Data link connector Check again if the DTC is set. (1) Erase the DTC. (2) Turn the ignition switch to "ON" position. (3) Check if the DTC is set. (4) Turn the ignition switch to the "LOCK" (OFF) position. Q:Is the DTC set? YES: Go to Step 3. NO: There is an intermittent malfunction such as poor engaged connector(s) or open circuit (Refer to GROUP 00, STEP 3. Check SRS-ECU connector C-27 and side-airbag (1) Disconnect the negative battery terminal. (2) Disconnect connectors C-27 and D-29, and then reconnect (3) Connect the negative battery terminal. (4) Erase the diagnostic trouble code memory, and check the Q:Is DTC B1C2A out put? YES: Go to Step 4. NO: The procedure is complete. It is assumed that DTC B1C2A set because connector C-27 or D-29 was engaged STEP 4. Check the side-airbag module (LH). (Using scan (1) Disconnect the negative battery terminal. (2) Disconnect the side-airbag module (LH) connector D-29. ZC600211 D-29 Side-airbag module (LH) connector D-29 0002 MB991865 MB991866 (Resistor harness) (3) Connect special tool MB991865 to special tool MB991866. Do not insert a test probe into the terminal from its front side (4) Insert special tool MB991866 into the D-29 harness side (5) Connect the negative battery terminal. (6) Erase diagnostic trouble code memory, and check the SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-175 SRS AIR BAG DIAGNOSIS |