GM Service Manual Online
For 1990-2009 cars only

Scan Tool Output Control

Additional Menu Selection(s)

Description

Coolant Gauge Sweep Test

IPC Gauges

The IPC drives the coolant gage at or above 125°C (260°F) when you select Up. The IPC drives the coolant gage at or below 60°C (140°F) when you select Down.

Fuel Gauge Sweep Test

IPC Gauges

The IPC drives the fuel gage at or above full when you select Up. The IPC drives the fuel gage at or below empty when you select Down.

Speed Gauge Sweep Test

IPC Gauges

The IPC drives the speedometer at or above 200 km/h (120 mph) (base) or 220 km/h (140 mph) (uplevel) when you select Up. The IPC drives the speedometer at or below 0 km/h (0 mph) when you select Down.

Tach Gauge Sweep Test

IPC Gauges

The IPC drives the tachometer at or above 7000 RPM when you select Up. The IPC drives the tachometer at or below 0 RPM when you select Down.

Lamp Test

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The IPC illuminates the following indicators when you select On:

    • ABS
    • Air Bag
    • BRAKE
    • Fasten Seat Belt
    • High Beam
    • Low Coolant
    • Low Oil Pressure
    • LOW TRAC
    • Shift Indicator
    • TRAC OFF

The indicators should illuminate until commanded Off.