Toyota 3F-E Repair Manual Supplement page 74

OK CONTINUED FROM PAGE FI-14
CHECK FUEL PRESSURE
(See page FI-45)
OK
CHECK INJECTORS
(See page FI-55)
OK
CHECK EFI ELECTRONIC CIRCUIT
USING VOLT
/OHMMETER
(See page FI-27)
EFI SYSTEM — Troubleshooting
BAD
BAD
BAD
Fuel pump (See page FI-44)
2. Fuel filter
3. Fuel pressure regulator (See page FI-53)
Injection condition
1. Wiring connections
2. Power to ECU
(1) Fusible links
(2) Fuses
(3) EFI main relay (See page FI-70)
3. Air flow meter (See page FI-62)
4. Water temp. sensor (See page FI-73)
5. Air temp. sensor (See page FI-62)
6. Injection signal circuit
(1) Injector wiring
(2) ECU (See page FI-77)
7. Oxygen sensors (See page FI-75)
FI-1
r