Instrument Panel Module (IPM)
WARNING: This page is about a different car, the 2006 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
- Steering Wheel Controls Return
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The scan tool displays the number of counts corresponding to the signal of the switch pressed.
- Battery Voltage Signal
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The scan tool displays the battery voltage. The battery voltage input represents the system voltage measured at the module ignition feed input.
- Accessory, Run, or Run/Crank Relay Status
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The scan tool displays the status of the respective relay.
- Start, Accessory, or OFF LED Duty Cycle
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The scan tool displays the percentage of the pulse width modulation (PWM) control signal of the respective LED.