STEP 3. Connector check: passenger's (front) air bag module, SRS-ECU.
(1) Check that the negative battery terminal is disconnected. If the negative battery terminal is connected, disconnect it.
(2) After disconnecting the SRS-ECU connector, connect it again.
(3) Use the flat-tipped screwdriver to pull out the locking button of wiring harness side connector, and release the lock, connect the connector again.
(4) Connect the negative battery terminal.
(5) After erasing the DTC memory, check the DTC again.
(6) Disconnect the negative battery terminal.
(7) Erase the DTC memory, and check the diagnostic trouble code.
Is DTC B1410 (1st squib) or B1490 (2nd squib) set?
Go to Step 4. The procedure is complete. It is assumed that DTC B1410 (1st squib) or B1490 (2nd squib) is set as connector was engaged improperly.