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 MANUALSTOYOTA2001LANDCRUISER V8-4.7L (2UZ-FE)REPAIR AND DIAGNOSISDIAGRAMSELECTRICAL DIAGRAMSLAMP CONTROL MODULESERVICE HINTS
2001 Toyota Landcruiser V8-4.7L (2UZ-FE)
Service Hints
2001 Toyota Landcruiser V8-4.7L (2UZ-FE)SECTION Service Hints
LIGHT AUTO TURN OFF
I19 (A), I21(C) INSTRUMENT ECU
(A) 14 - GROUND : Continuity with driver door open
(A) 18 - GROUND : Continuity with light control SW at TAIL or HEAD position
(A) 19 - GROUND : Continuity with light control SW at HEAD position
(C) 1 - GROUND : Always approx. 12 volts
(C) 2 - GROUND : Approx. 12 volts with ignition SW at ON or ST position
(C) 4 - GROUND : Always continuity
D14 DOOR COURTESY SW FRONT LH
1 - GROUND : Closed with door open
I19 (A), I21(C) INSTRUMENT ECU
(A) 14 - GROUND : Continuity with driver door open
(A) 18 - GROUND : Continuity with light control SW at TAIL or HEAD position
(A) 19 - GROUND : Continuity with light control SW at HEAD position
(C) 1 - GROUND : Always approx. 12 volts
(C) 2 - GROUND : Approx. 12 volts with ignition SW at ON or ST position
(C) 4 - GROUND : Always continuity
D14 DOOR COURTESY SW FRONT LH
1 - GROUND : Closed with door open
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.