Toyota Workshop Service and Repair Manuals > Pickup 4WD V6-180.5 2959cc 3.0L SOHC (3VZ-E) (1990) > Powertrain Management | Computers and Control Systems | EFI Main Relay <--> [Main Relay (Computer/Fuel System)] | Component Information | Testing and Inspection | Circuit Test | Page 1504

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# 11. ECU Power Supply (+B {+B1} - E1

ECU Power Supply / Main Relay (+B {+B1} - E1)

# 11. ECU Power Supply

Wiring Diagram / Condition

Powertrain Management
Computers and Control Systems
EFI Main Relay <--> [Main Relay (Computer/Fuel System)] / Component Information
Testing and Inspection / Circuit Test
Page 1504

Circuit Test|Page 1505 > < Circuit Test|Page 1503