Fan Controls

Symptom Troubleshooting Index

10-12  

Before performing any troubleshooting procedures check:

  • Fuses
  • Grounds
  • Cleanliness and tightness of all connectors
    SYMPTOM PROCEDURE
    Radiator fan does not run at all Radiator Fan Circuit Troubleshooting (see page 10-14)
    Radiator fan does not run for engine cooling, but it runs with A/C on Radiator Fan Switch Circuit Troubleshooting (Open) (see page 10-16).
    Radiator fan runs with ignition switch ON (II), A/C off, and engine temperature below 93°C (199°F) Radiator Fan Switch Circuit Troubleshooting (Short) (see page 10-16).

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