Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Test Preparation
Check level and condition of transaxle fluid. Check PCM memory for any stored DTCs. If no DTCs are present, proceed to appropriate step (WITH SCAN TOOL or WITHOUT SCAN TOOL). If codes are present, diagnose and repair all PCM related trouble codes. Clear PCM trouble code memory.
1) Using scan tool, verify shift selector readings match actual shifter position. Turn ignition on. Using scan tool, access actuator test in special test menu. Move gear selector as to each gear position. This should cause a specific line actuator to operate. See LINE ACTUATOR SELECT table.
2) If the line actuator is operating, it will audibly operate at a fixed duty cycle for 6 seconds and then click on and off. Clicking will repeat until the next gear is selected or ignition turned off.
3) To check actuator resistance, disconnect actuator connector plate. Using a DVOM, measure resistance at actuator terminals. On all actuators resistance should be more than 4 ohms.
| Selected Gear | Resistance (1) | Actuator | ||
|---|---|---|---|---|
| "D2" | 4 Ohms | 2nd Actuator | ||
| "D3" | 4 Ohms | 3rd Actuator | ||
| "D4" | 4 Ohms | 4th Actuator | ||
| "R" | 4 Ohms | TCC Actuator | ||
| "N" or "P" | 4 Ohms | Line Actuator | ||
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.