Land Cruiser
- Ensure flasher is okay. For turn signal flasher testing, see STEERING COLUMN SWITCHES article.
For turn signal flasher location, see TURN SIGNAL FLASHER LOCATION table. To test hazard switch/circuits, locate center ECU behind A/C control panel.
- Turn ignition switch to OFF position. Using ohmmeter, check for continuity between 22-pin center ECU connector terminals No. 3 and 22. See Fig 1. With hazard warning switch on, continuity should exist. With hazard warning switch off, no continuity should exist. If continuity is not as specified, replace hazard warning switch or repair wiring harness between hazard warning switch and center ECU.
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