Page text (OCR transcript)
EFI SYSTEM — Fuel System
FI-71
ON-VEHICLE INSPECTION
1. CHECK FUEL PUMP OPERATION
(a) Turn the ignition switch ON.
HINT: Do not start the engine.
(b) Using SST, connect terminals +B and Fp of the check connector.
SST 09843-18020
(c) Check that there is pressure in the fuel return hose.
HINT: At this time, you will hear fuel return noise.
(d) Remove SST.
SST 09843-18020
(e) Turn the ignition switch OFF.
If there is no pressure, check the following parts:
• Fusible links
• Fuses (EFI, IGN)
• 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) (7M-GE)
Disconnect the cold start injector connector.
(d) (7M-GE)
Disconnect the cold start injector tube.
• Place a suitable container or shop towel under the cold start injector tube.
• Remove the union bolt and two gaskets, and disconnect cold start injector tube.
HINT: Slowly loosen the union bolt.
