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.
1985 Chrysler Laser Base, StandardFACTORY OEM SERVICE PROCEDURE
Actuator Test Mode (ATM)
NOTE:
This test can only be performed with the Diagnostic Readout Tool (C-4805).
- Put system into Diagnostic Test Mode and wait for code 55 to appear on display screen. Press ATM button on tool to activate display. If a specific ATM test is desired, hold ATM button down until test code appears.
- The computer will continue to turn the selected circuit on and off for up to 5 minutes or until ATM button is pressed or ignition is turned off. If the ATM button is not pressed, the computer will continue to cycle the selected circuit for 5 minutes and then shut the system off.
ACTUATOR TEST DISPLAY CODES
| Code | Test Description |
|---|---|
| 01 | Spark Activation |
| 02 | Injector Activation |
| 03 | AIS Activation |
| 04 | Radiator Fan Activation |
| 05 | A/C Cut-Out Relay Activation |
| 06 | ASD Relay Activation |
| 07 | Purge Solenoid Activation |
| 08 | EGR Solenoid Activation |
| 09 | Wastegate Solenoid Activation |
| 10 | Barometric Read Solenoid Activation |
Factory Service Tools
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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.