STEP 2. Voltage measurement at the hazard warning light switch connector
(1) Disconnect the hazard warning light switch connector, and measure at the wiring harness side.
(2) Turn the ignition switch from LOCK (OFF) position to ON position.
(3) Check the voltage between the hazard warning light switch connector terminal IG+ and body ground.OK: Battery positive voltage
Is the check result normal?
Go to Step 3. Repair the connector(s) or wiring harness of short, open to power supply circuit in between the hazard warning light switch connector and ETACS-ECU connector.