nnnA
ORD
+B
°
FP
Check Connector
Service Wire
F12410
EFI SYSTEM - Fuel System
FI-45
ON-VEHICLE INSPECTION
1. INSPECT FUEL PUMP OPERATION
(a)
Turn the ignition switch ON.
HINT: Do not start the engine.
(b)
Using a service wire, connect ter B and FP
of the check connector.
(c) Check that there is pressure in the fuel return hose
NOTE: At this time, you will hear fuel return noise.
(d)
Remove the service wire.
(e)
Turn the ignition switch OFF.
If there is no pressure, check the following parts:
• Fusible links
• Fuse (EFI 15A or IGN 7.5A)
• EFI main relay
• Fuel pump
• ECU
• Wiring connections
2. INSPECT FUEL PRESSURE
(a)
Check the battery voltage above 11 volts.
(b)
Disconnect the cable from the negative (—) terminal
of the battery.
(c)
Disconnect the cold start injector connector.
(d)
Put a suitable container or shop towel under the
cold start injector pipe.
(e)
Remove the two union bolts, four gaskets, pipe
clamp bolt and cold start injector pipe.
HINT: Slowly loosen the union bolt.
J
Summary of Contents for 3F-E
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