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Scan Tool Output Controls

Scan Tool Output Controls

Scan Tool Output Control Additional Menu Selection(s) Description
A/C Relay Engine Output Controls/A/C Relay Activates the A/C compressor relay. The normal commanded state of the A/C relay is NONE.
A/C LED Body/BCM/A/C LED Activates the A/C LED indicator. The normal commanded state of the A/C LED is OFF.
Cooling Fan Engine Output Controls/Cooling Fan Activates the cooling fan 1 by enabling the fan relay 1. The normal commanded state of the relay is NONE. The ECM allows relay control when the following conditions are met:
  • The transmission must be in Park or Neutral.
  • The A/C request is OFF.
  • The engine coolant temperature is less than 100°C (212°F).
  • No vehicle speed is detected
Fan Relay 1 Engine Output Controls/Fan Relays Activates the cooling the fan 1 by enabling fan relay 1. The normal commanded state of the relay is NONE. The PCM allows relay control when the following conditions are met:
  • The transmission must be in Park or Neutral.
  • The A/C request is OFF.
  • The engine coolant temperature is less than 100°C (212°F).
  • No vehicle speed is detected
Fan Relays 2 and 3 Engine Output Controls/Fan Relays Activates the cooling fan 2 by enabling fan relay 2. The normal commanded state of the relay is NONE. The PCM allows relay control when the following conditions are met:
  • The transmission must be in Park or Neutral.
  • The A/C request is OFF.
  • The engine coolant temperature is less than 100°C (212°F).
  • No vehicle speed is detected
Fan Relays 1, 2 and 3 Engine Output Controls/Fan Relays Activates the cooling fan 2 by enabling fan relay 2. The normal commanded state of the relay is NONE. The PCM allows relay control when the following conditions are met:
  • The transmission must be in Park or Neutral.
  • The A/C request is OFF.
  • The engine coolant temperature is less than 100°C (212°F).
  • No vehicle speed is detected
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