Toyota 4A-F Repair Manual page 81

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CHECK EFI ElECTRONIC CIRCUIT
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VOLT/OHMMETER
page FI-2S1
FROM PAGE FI.20
U
D
E
Wiring connections
1.
BAD Power to ECU
2.
(1 I
fusible �nks
(2 ) Fuses
Efl main relay
(3)
Air flow meter (wI Air flow meterl
3.
Vacuum seosor (w/o Air flow meter)
4.
Water temp. 58flsor
5.
Air temp. sensor
6.
Throttle position sensor
7.
Injection signal circuit
8.
(11 Injector wiring
121 Solerooi(l r95istor (w/o Air flow met.
(3)
ECU
Fl· ..