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 MANUALSTOYOTA2007HIGHLANDER 2WD V6-3.3L (3MZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTRANSMISSION CONTROL SYSTEMSTESTING AND INSPECTIONPINOUT VALUES AND DIAGNOSTIC PARAMETERS
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)
Pinout Values and Diagnostic Parameters
2007 Toyota Highlander 2WD V6-3.3L (3MZ-FE)SECTION Pinout Values and Diagnostic Parameters
TERMINALS OF ECM
1. ECM
HINT:
Each ECM terminal's standard voltage is shown in the table.
In the table, first follow the information under "Condition". Look under "Symbols (Terminal No.)" for the terminals to inspected. The standard voltage between the terminals is shown under "Specific Condition".
Use the illustration above as a reference for the ECM terminals.
1. ECM
HINT:
Each ECM terminal's standard voltage is shown in the table.
In the table, first follow the information under "Condition". Look under "Symbols (Terminal No.)" for the terminals to inspected. The standard voltage between the terminals is shown under "Specific Condition".
Use the illustration above as a reference for the ECM terminals.
Part 1:
Part 2:
Waveform 1:
Waveform 2:
Waveform 3:
Waveform 4:
Waveform 5:
Waveform 6:
Waveform 7:
Waveform 8:
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.