STEP 4. Voltage measurement at BSW-ECU (master) connector G-25 (terminal No.1)
(1) Disconnect the connector, and measure at the wiring harness side.
(2) Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
(3) Check the voltage between the BSW-ECU (master) connector G-25 (terminal No.1) and body ground.OK: Battery positive voltage
Is the check result normal?
Go to Step 5. The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the connector. Repair the wiring harness as necessary.