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 MANUALSTOYOTA2005ECHO L4-1.5L (1NZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESACTIVE TEST
2005 Toyota Echo L4-1.5L (1NZ-FE)
Active Test
2005 Toyota Echo L4-1.5L (1NZ-FE)SECTION Active Test
ACTIVE TEST
HINT: Performing an ACTIVE TEST enables components including the relays, VSV (Vacuum Switching Valve), and actuators, to be operated without removing any parts. The ACTIVE TEST can be performed with a hand-held tester. Performing an ACTIVE TEST as a first step of troubleshooting is one method of shortening diagnostic time.
DATA LIST can be displayed during ACTIVE TESTs.
a. Connect the hand-held tester to the DLC3.
b. Turn the ignition switch to ON.
c. Turn the tester ON.
d. Select the following menu items: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST.
e. Perform the ACTIVE TEST by referring to the table.
HINT: Performing an ACTIVE TEST enables components including the relays, VSV (Vacuum Switching Valve), and actuators, to be operated without removing any parts. The ACTIVE TEST can be performed with a hand-held tester. Performing an ACTIVE TEST as a first step of troubleshooting is one method of shortening diagnostic time.
DATA LIST can be displayed during ACTIVE TESTs.
Part 1:
Part 2:
a. Connect the hand-held tester to the DLC3.
b. Turn the ignition switch to ON.
c. Turn the tester ON.
d. Select the following menu items: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST.
e. Perform the ACTIVE TEST by referring to the table.
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.