CHECK INHIBITOR SWITCH.

1) Place the select lever in “P” range or “N” range.

2) Measure the resistance between inhibitor switch terminals.

Terminals

Transmission serial No. 4078112 or earlier

No. 7 — No. 12:

Transmission serial No. 4078113 or later

No. 6 — No. 9:

QUESTION

Is the resistance less than 1 Ω?

Yes No

Check the ECM power supply and ground line.

Replace the inhibitor switch.