SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSPONTIAC2007WAVE LT, 4D HATCHBACK, STANDARD, Y4M/MLMREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 30 (ENGINE COOLING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL OUTPUT CONTROLS
2007 Pontiac Wave LT, 4D Hatchback, Standard, Y4M/MLM

Scan Tool Output Controls

2007 Pontiac Wave LT, 4D Hatchback, Standard, Y4M/MLMSECTION Scan Tool Output Controls
WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
Scan Tool Output Control Additional Menu Selection(s) Description
Fans Low Speed Special functions/Engine Output Control/Fan Relays This function operates the engine cooling fan at low speed by enabling the fan low speed relay. The normal commanded state of the relay is None. When commanded ON/OFF, both cooling fans turn ON/OFF. The system remains in the commanded state until cancelled by the scan tool. The ECM allows relay control when the following conditions are met:
  • The ignition is ON, with the engine OFF.
  • The engine is running.
  • The transmission must be in Park or Neutral.
  • The A/C request is OFF.
  • The engine coolant temperature is less than a predetermined value.
Fans High Speed Special functions/Engine Output Control/Fan Relays This function operates the engine cooling fan at high speed by enabling the fan high speed relay. The normal commanded state of the relay is None. When commanded ON/OFF, the cooling fan turns ON/OFF. The system remains in the commanded state until cancelled by the scan tool. The ECM allows relay control when the following conditions are met:
  • The ignition is ON, with the engine OFF.
  • The engine is running.
  • The transmission must be in Park or Neutral.
  • The A/C request is OFF.
  • The engine coolant temperature is less than a predetermined value.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.