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 DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSDIAGRAMSDIAGRAM INFORMATION AND INSTRUCTIONS
2001 Toyota Landcruiser V8-4.7L (2UZ-FE)
Diagram Information and Instructions
2001 Toyota Landcruiser V8-4.7L (2UZ-FE)SECTION Diagram Information and Instructions
ENGINE CONTROL AND ENGINE IMMOBILIZER SYSTEM
EFI OR ECD RELAY
1-3 : Closed with ignition SW at ON or ST position
E2 ENGINE COOLANT TEMPERATURE SENSOR
1-2 : Approx. 16.2 kohms (-20 °C, -4 °F)
: Approx. 2.45 kohms (20 °C, 68 °F)
: Approx. 0.32 kohms (80 °C, 176 °F)
E6 (B), E8 (D), E9 (E) ENGINE CONTROL MODULE
BATT-E1 : Always 9.0-14.0 volts
+BM-E1 : Always 9.0-14.0 volts
IGSW-E1 : 9.0-14.0 volts with ignition SW at ON or ST position
+B, +B1-E1 : 9.0-14.0 volts with ignition SW at ON or ST position
VC-E2 : 4.5-5.5 volts with ignition SW on
VTA2-E2 : 2.0-2.9 volts with ignition SW on and throttle valve fully closed
: 4.6-5.0 volts with ignition SW on and throttle valve fully opened
VTA-E2 : 0.4-1.0 volts with ignition SW on and throttle valve fully closed
: 3.2-4.8 volts with ignition SW on and throttle valve fully opened
VPA-E2 : 0.25-0.9 volts with ignition SW at on and accelerator fully closed
: 3.2-4.8 volts with ignition SW at on and accelerator fully opened
VPA2-E2 : 1.8-2.7 volts with ignition SW at on and accelerator fully closed
: 4.7-5.0 volts with ignition SW at on and accelerator fully opened
THA-E2 : 0.5-3.4 volts with idling, intake air temperature 20 °C (68 °F)
THW-E2 : 0.2-1.0 volts with idling, coolant temperature 80 °C (176 °F)
STA-E1 : 6.0 volts or more with cranking
W-E1 : 9.0-14.0 volts with idling
: 0-3.0 volts with ignition SW on
EFI OR ECD RELAY
1-3 : Closed with ignition SW at ON or ST position
E2 ENGINE COOLANT TEMPERATURE SENSOR
1-2 : Approx. 16.2 kohms (-20 °C, -4 °F)
: Approx. 2.45 kohms (20 °C, 68 °F)
: Approx. 0.32 kohms (80 °C, 176 °F)
E6 (B), E8 (D), E9 (E) ENGINE CONTROL MODULE
BATT-E1 : Always 9.0-14.0 volts
+BM-E1 : Always 9.0-14.0 volts
IGSW-E1 : 9.0-14.0 volts with ignition SW at ON or ST position
+B, +B1-E1 : 9.0-14.0 volts with ignition SW at ON or ST position
VC-E2 : 4.5-5.5 volts with ignition SW on
VTA2-E2 : 2.0-2.9 volts with ignition SW on and throttle valve fully closed
: 4.6-5.0 volts with ignition SW on and throttle valve fully opened
VTA-E2 : 0.4-1.0 volts with ignition SW on and throttle valve fully closed
: 3.2-4.8 volts with ignition SW on and throttle valve fully opened
VPA-E2 : 0.25-0.9 volts with ignition SW at on and accelerator fully closed
: 3.2-4.8 volts with ignition SW at on and accelerator fully opened
VPA2-E2 : 1.8-2.7 volts with ignition SW at on and accelerator fully closed
: 4.7-5.0 volts with ignition SW at on and accelerator fully opened
THA-E2 : 0.5-3.4 volts with idling, intake air temperature 20 °C (68 °F)
THW-E2 : 0.2-1.0 volts with idling, coolant temperature 80 °C (176 °F)
STA-E1 : 6.0 volts or more with cranking
W-E1 : 9.0-14.0 volts with idling
: 0-3.0 volts with ignition SW on
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.