Operation CHARM: Car repair manuals for everyone.

Electrical Specifications

AIR INTAKE HEATER CYCLE CHART

Intake Preheat Cycle Time Post-Heat Cycle
Manifold Ignition Key ON Ignition Key ON
Temperature Engine Not Running engine Running


Above 59°F (15°C) 0 seconds NO


15°F (-10°C) to 10 seconds YES
59°F (15°C)

0°F (-18°C) to 15 seconds YES
15°F (-10°C)


Below 0°F (-18°C) 30 seconds YES