STEP 3. Connector check: SRS-ECU, clock spring, driver's air bag module.
(1) Check that the negative battery terminal is disconnected. If the negative battery terminal is connected, disconnect it.
(2) While pushing the part "A" indicated in the figure of the harness side connector, turn the lock lever to the direction of the arrow to release the lock lever. After disconnecting the SRS-ECU connector, connect it again.
(3) After disconnecting clock spring, connect it again.
(4) Disconnect the driver's air bag module connector using the slotted (-) screwdriver to pull out the locking button to the direction of the arrow, and connect it again.
(5) Connect the negative battery terminal.
(6) After erasing the diagnostic trouble code memory, check the diagnostic trouble code again.
(7) Disconnect the negative battery terminal.
Is DTC B1400 <1st squib> or B1480 <2nd squib> stored?
Go to Step 4. Replace the connector concerned.