TD12 - Check Function of the Transmission Range Switches

- Key "OFF".

- Transmission 12-pin connector disconnected.

- Disconnect inhibit, Park Neutral Position (PNP), switch (3-pin at transmission).

- Refer to Transmission Range Switch State chart. TD - 4EAT Transmission Select Switch State

Verify that each Transmission Range switch state is correct for each gear selector position. (Open is defined as greater than 10,000 ohms. Closed is defined as less than 5.0 ohms.)

- Shift lever to "PARK".

- Do the Transmission Range switches check out OK?

Yes -- Go to TD13. TD13 - Check Transmission Switch Input Voltages At Breakout Box

No -- Go to TD14. TD14 - Check Adjustment/External Wiring of the Manual Lever