Transmission Internal Mode Switch Logic
| Internal Mode Switch (IMS) IMS Circuits/Parameter |
Selector Position | |||
|---|---|---|---|---|
| Park | Reverse | Neutral | Drive | |
| Direction Switch Operating Conditions: Ignition ON, range selector in appropriate gear | ||||
| Direction IMS D1 | HIGH | HIGH | LOW | LOW |
| Direction IMS D2 | LOW | LOW | HIGH | HIGH |
| Direction IMS R1 | HIGH | LOW | LOW | HIGH |
| Direction IMS R2 | LOW | HIGH | HIGH | LOW |
| Direction IMS Start | LOW | HIGH | LOW | HIGH |
| Range Switch Operating Conditions: Ignition ON, range selector in appropriate gear | ||||
| IMS A | LOW | LOW | HI | HI |
| IMS B | HI | LOW | LOW | LOW |
| IMS C | HI | HI | HI | LOW |
| IMS P | LOW | HI | LOW | HI |
| Always HIGH status: Open/short to voltage condition Always LOW status: Short to ground condition Every status HIGH for either switch indicates an open ground circuit or connector for that portion of the IMS. |
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