STEP 3. Check SRS-ECU connector C-126, driver’s air bag module connector C-303/C-316 and clock spring connector C-313.
(1) Disconnect the negative battery terminal.
(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 C-126 SRS-ECU connector, connect it again.
(3) After disconnecting C-313 clock spring, connect it again.
(4) Disconnect the C-303/C-316 driver's air bag module connector using the flat-tipped screwdriver to pull out the locking button to the direction of the arrow, and connect it again.
(5) Connect the negative battery terminal.
(6) Erase the diagnostic trouble code memory, and check the diagnostic trouble code.
Is DTC B1400 <1st squib> or B1480 <2nd squib> stored?
Go to Step 4. The procedure is complete. It is assumed that DTC B1400 <1st squib> or B1480 <2nd squib> is stored because connector C-126, C-303/C-316 or C-313 was engaged improperly.