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 DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONU CODE CHARTSU1002LOST COMMUNICATION WITH GATEWAY MODULE (NETWORK GATEWAY ECU)PART 3
2011 Toyota Landcruiser V8-5.7L (3UR-FE)
Part 3
2011 Toyota Landcruiser V8-5.7L (3UR-FE)SECTION Part 3
NETWORKING: CAN COMMUNICATION SYSTEM: U1002 (CAN No. 2 BUS): Lost Communication with Gateway Module (Network Gateway ECU)
U1002 (CAN No. 2 BUS) - Lost Communication with Gateway Module (Network Gateway ECU) - Continued
41. CONNECT CONNECTOR
(a) Reconnect the F21 No. 6 junction connector connector.
NEXT -- Continue to next step.
42. CHECK FOR SHORT IN CAN BUS WIRES (CLEARANCE WARNING ECU)
(a) Disconnect the F12 clearance warning ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO CLEARANCE WARNING ECU (CANH, CANL)
OK -- REPLACE CLEARANCE WARNING ECU ASSEMBLY Removal
43. CONNECT CONNECTOR
(a) Reconnect the E68 No. 5 junction connector connector.
NEXT -- Continue to next step.
44. CHECK FOR SHORT IN CAN BUS WIRES (SEAT BELT CONTROL ECU)
(a) Disconnect the E42 seat belt control ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO SEAT BELT CONTROL ECU (CANH, CANL)
OK -- REPLACE SEAT BELT CONTROL ECU Removal
45. CONNECT CONNECTOR
(a) Reconnect the E68 No. 5 junction connector connector.
NEXT -- Continue to next step.
46. CHECK FOR SHORT IN CAN BUS WIRES (YAW RATE SENSOR)
(a) Disconnect the E50 yaw rate sensor connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO YAW RATE SENSOR (CANH, CANL)
OK -- REPLACE YAW RATE SENSOR ASSEMBLY Removal
47. CONNECT CONNECTOR
(a) Reconnect the E71 No. 4 junction connector connector.
NEXT -- Continue to next step.
48. CHECK FOR SHORT IN CAN BUS WIRES (4WD CONTROL ECU)
(a) Disconnect the A27 4WD control ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO 4WD CONTROL ECU (CAN+, CAN-)
OK -- REPLACE 4WD CONTROL ECU Removal
49. CONNECT CONNECTOR
(a) Reconnect the E71 No. 4 junction connector connector.
NEXT -- Continue to next step.
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.