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Diagnostic Chart

  1. Check voltage between terminal TR2 of ABS & TRAC ECU harness side connector and body ground. Voltage should be appx. 5V. If voltage is okay, check and replace ABS & TRAC ECU. If voltage is not okay, go to next step.
  2. Check harness and connector between ABS & TRAC ECU and engine & ECT ECU. Repair or replace any faulty connectors or harnesses. If connectors are okay, check and replace ABS & TRAC ECU.
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