STEP 2. Voltage measurement at ETACS-ECU connector (ACCS line).
(1) Disconnect the connector, and measure at the wiring harness side.
(2) Turn the power supply mode of the engine switch from "OFF" to "ON."
(3) Measure the voltage between the ETACS-ECU connector (ACCS line) and the body ground.OK: The voltage should measure approximately 12 volts (battery positive voltage).
(4) Turn the power supply mode of the engine switch from "ON" to "OFF."
(5) Measure the voltage between the ETACS-ECU connector (ACCS line) and the body ground.OK: 1 volt or less
Is the check result normal?
Go to Step 4. Go to Step 3.