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 MANUALSTOYOTA2011LANDCRUISER V8-5.7L (3UR-FE)REPAIR AND DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMSTART / STOP SWITCHTESTING AND INSPECTIONENGINE SWITCH INDICATOR CIRCUIT
2011 Toyota Landcruiser V8-5.7L (3UR-FE)
Engine Switch Indicator Circuit
2011 Toyota Landcruiser V8-5.7L (3UR-FE)SECTION Engine Switch Indicator Circuit
THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): Engine Switch Indicator Circuit
- Engine Switch Indicator Circuit
DESCRIPTION
Engine switch condition (power source mode) or system malfunctions can be checked by observing the status of the engine switch indicator light.
Engine Switch Indicator Light Condition
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. INSPECT ENGINE SWITCH
(a) Disconnect the E18 engine switch connector.
(b) Apply battery voltage between the terminals of the engine switch, and check the illumination condition of the engine switch indicator light.
NOTICE:
* If the positive (+) lead and the negative (-) lead are incorrectly connected, the engine switch indicator light will not illuminate.
* If the voltage is too low, the indicator light will not illuminate.
OK:
NG -- REPLACE ENGINE SWITCH Removal
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - MAIN BODY ECU AND BODY GROUND)
(a) Disconnect the E1 main body ECU connector.
(b) Disconnect the E18 engine switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU
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.