STEP 7. Voltage measurement at the SRS-ECU connector (IG1A line).
(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, and disconnect the SRS-ECU connector.
(3) Connect the negative battery terminal.
(4) Ignition switch: ON
(5) Take the measurements below at the harness side connector. - Voltage IG1A line between SRS-ECU connector and body ground
OK: 9 V or more
(6) Disconnect the negative battery terminal.
Is the check result normal?
Go to Step 9. Go to Step 8.