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Diagnostic Chart

  1. Check voltage between terminals TC and E1 of TDCL or check connector. Battery voltage should be present. If voltage is okay, proceed to next circuit inspection as shown in SYMPTOMS . If voltage is not okay, go to next step.
  2. Check harness and connector between ABS & TRAC ECU and TDCL (or check connector), TDCL (or check connector) and body ground. Repair or replace any faulty connectors or harnesses. If connectors are okay, check and replace ABS & TRAC ECU.
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