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.
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HOMESERVICE MANUALSTOYOTA19964 RUNNER 2WD L4-2.7L (3RZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULESERVICE AND REPAIR
1996 Toyota 4 Runner 2WD L4-2.7L (3RZ-FE)
Engine Control Module: Service and Repair
1996 Toyota 4 Runner 2WD L4-2.7L (3RZ-FE)SECTION Service and Repair
REMOVAL
1 REMOVE GLOVE COMPARTMENT DOOR
2. REMOVE LOWER FINISH NO.2 PANEL
3. REMOVE ECM
- M/T: Disconnect the 3 ECM connectors.
- A/T: Disconnect the 4 ECM connectors.
- Remove the 2 bolts and ECM.
INSTALLATION
INSTALLATION HINT:Installation is in the reverse order of removal.
RENDER: 1.0x
NO RELATED
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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.