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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 89 (HVAC SYSTEM - MANUAL)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL OUTPUT CONTROLS
2008 Pontiac Grand Prix Base

Scan Tool Output Controls

2008 Pontiac Grand Prix BaseSECTION Scan Tool Output Controls
WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
PCM Scan Tool Output Controls

Scan Tool Output Control Additional Menu Selection(s) Description
A/C Relay Engine Output Controls The PCM energizes the A/C relay to engage the A/C compressor clutch when you select ON. The A/C compressor clutch should remain engaged until commanded OFF.
RENDER: 1.0x

NO RELATED

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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.