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Code 33

  1. Disconnect assist-ECU harness connector. Turn ignition on. Check voltage between ground and assist-ECU harness-side connector terminal No. 62 (Red/Yellow wire). See WIRING DIAGRAMS  . If battery voltage is present, replace assist-ECU. If battery voltage is not present, go to next step.
  2. Check circuit between dedicated fuse No. 9 and assist-ECU. See WIRING DIAGRAMS  . Repair as necessary.
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