Engine Control Module (ECM) / Powertrain Control Module (PCM)
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Brake Switch
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The scan tool displays Applied/Released. The scan tool displays the status of the brake switch.
- Ignition 1
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The scan tool displays 0-20 V. The scan tool displays the voltage as received on the Ignition 1 circuit to the ECM/PCM.
- Transmission Range
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The scan tool displays Reverse, 2nd, Drive, Park, Neutral, 1st and 3rd. The scan tool display the switch status of the transmission (L61).
- TR Sw.
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The scan tool displays Invalid, Park, Reverse, Neutral, Drive, Intermediate and Low. The scan tool display the switch status of the transmission (L66).