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Home >> Toyota >> 2000 >> 4Runner Base, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control Systems >> System Tests >> Test No. 17: MPX Circuit >> Testing

Test No. 17: MPX Circuit: Testing

  1. Check wiring and connectors between back door ECU and body ECU. See WIRING DIAGRAMS .
  2. Repair wiring or connectors as necessary. If wiring and connectors are okay, go to next test listed in appropriate SYMPTOM INDEX table under TROUBLE SHOOTING .