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 MANUALSTOYOTA2001HIGHLANDER 2WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISCRUISE CONTROLTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSINPUT SIGNAL CHECK
2001 Toyota Highlander 2WD L4-2.4L (2AZ-FE)
Input Signal Check
2001 Toyota Highlander 2WD L4-2.4L (2AZ-FE)SECTION Input Signal Check
INPUT SIGNAL CHECK
HINT: For check No.1 No.3 - Turn ignition switch ON.
For check No.4 - Jack up the vehicle, Start the engine, Shift to D position.
a. Press the control switch to SET/COAST or RES/ACC position and hold it down or hold it up "(1)".
b. Push the main switch ON "(2)".
c. Check that the CRUISE MAIN indicator light blinks twice or 3 times repeatedly after 3 seconds.
d. Turn the SET/COAST or RES/ACC switch OFF.
e. Operate each switch as listed in the table.
f. Read the blinking pattern of the CRUISE MAIN indicator light.
g. After performing the check, turn the main switch OFF.
HINT: When 2 or more signals are input to the ECU, the lowest numbered code will be displayed first.
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.