STEP 3. Voltage measurement at ACC-ECU connector
(1) Check the connector
(2) Disconnect the connector.
(3) Turn the ignition switch to the "ON" position.
(4) Measure the voltage between terminal IG and body ground at the wiring harness side.OK: Battery positive voltage
Is the check result normal?
Go to Step 4 Repair the defective connector or the wiring harness (power supply line).