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.
2003 Toyota Matrix Base, 4WDFACTORY OEM SERVICE PROCEDURE
Automatic Transmission Shift Lock Control Ecu (ATM): Inspection
- INSPECT SHIFT LOCK CONTROL ECU
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Disconnect the connector of shift lock control ECU.
- Using an ohmmeter, measure the resistance between terminals.TERMINAL SPECIFIED CONDITION
Terminal Measuring Condition Specified Value A5(IG) - B2(SLS+) Switch ON Continuity A5(IG) - B2(SLS+) Switch OFF NO Continuity - Connect STP terminal to the batteries' positive (+) terminal, and E terminal to the battery negative (-) terminal, and apply about 12 V between STP - E terminals.
- Using an ohmmeter, measure the resistance between terminals.TERMINAL SPECIFIED CONDITION
Terminal Measuring Condition Specified Value A1 (E) - B1 (SLS-) Connect Battery Continuity A1 (E) - B1 (SLS-) Disconnect Battery NO Continuity
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.