Component Testing
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Internal Mode Switch Logic Table
| Gear Selector Position | A | B | C | P |
|---|---|---|---|---|
| Park | LOW | HI | HI | LOW |
| Park/Reverse | LOW | LOW | HI | LOW |
| Reverse | LOW | LOW | HI | HI |
| Reverse/Neutral | HI | LOW | HI | HI |
| Neutral | HI | LOW | HI | LOW |
| Neutral/Drive 6 | HI | LOW | LOW | LOW |
| Drive 6 | HI | LOW | LOW | HI |
| Drive 4 | LOW | LOW | LOW | LOW |
| Drive 3 | LOW | HI | LOW | HI |
| Drive 2 | HI | HI | LOW | LOW |
| Invalid | HI | HI | HI | HI |
| LOW | HI | HI | HI | |
| HI | HI | HI | LOW | |
| HI = Ignition voltage LOW = 0 voltage |
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