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 MANUALSTOYOTA2002HIGHLANDER 4WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMIGNITION LOCKIGNITION LOCK SOLENOIDTESTING AND INSPECTION
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Ignition Lock Solenoid: Testing and Inspection
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Testing and Inspection
KEY INTERLOCK SOLENOID INSPECTION
1. INSPECT KEY INTERLOCK SOLENOID
a. Disconnect the solenoid connector.
b. Connect KLS+ (4) terminal to the batteries' positive (+) terminal, and KLS- (3) terminal to the battery negative (-) terminal, and apply about 12V between KLS+ - KLS- terminals. Check that operation noise can be heard from the solenoid.
If the solenoid does not operate, replace the solenoid.
1. INSPECT KEY INTERLOCK SOLENOID
a. Disconnect the solenoid connector.
b. Connect KLS+ (4) terminal to the batteries' positive (+) terminal, and KLS- (3) terminal to the battery negative (-) terminal, and apply about 12V between KLS+ - KLS- terminals. Check that operation noise can be heard from the solenoid.
If the solenoid does not operate, replace the solenoid.
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.