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Test No. 8 (Scan Tool Diagnostic Result Is Normal But Cruise Control Cannot Be Set)

  1. Disconnect cruise control ECU harness connector. Check voltage between ground and cruise control ECU harness connector terminal No. 16 (Red/Blue wire). If battery voltage is present, go to next step. If battery voltage is not present, go to step 3).
  2. Check cruise control ECU harness connector. Repair as necessary. If connector is okay, replace cruise control ECU.
  3. Check harness connector to body harness junction block between power supply and cruise control ECU and main switch. See WIRING DIAGRAMS  . Repair as necessary. If connectors are okay, check circuit between cruise control ECU and power supply. Repair as necessary.
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