Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

TD12 - Check Function of Transmission Range Switch

- 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.

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.

No -- Go to TD14.