Suzuki 2000 Grand Vitara SQ625 Service Manual page 103

TABLE B-1 FUEL PUMP CIRCUIT INSPECTION
WIRING DIAGRAM
INSPECTION
STEP
1 Fuel Pump Operation Check:
1) Remove fuel filler cap.
2) Turn ON ignition switch.
Is fuel pump operation sound heard for 3 sec. after
ignition switch ON?
2 Fuel Pump Circuit Check:
1) With ignition switch OFF, remove fuel pump relay
from connector.
2) Check for proper connection to relay at each terminal.
3) If OK, using service wire, connect terminals E07-7 and
E07-8 of relay connector.
CAUTION: Check to make sure that connec-
tion is made between correct terminals.
Wrong connection can cause damage to
ECM, wire harness etc.
Is fuel pump heard to operate at ignition switch ON?
3 Fuel Pump Relay Check:
1) Check fuel pump relay referring to "Fuel Pump Relay
Inspection" in Section 6E1.
Is it in good condition?
Left hand steering vehicle
ACTION
Right hand steering vehicle
1. Service wire
ENGINE DIAGNOSIS (G16 / J20 ENGINES) 6-99
YES
Fuel pump circuit
is in good condition.
Go to Step 3.
"B/W" or "W/G"
circuit open.
Left hand steering vehicle
1. Main relay
2. Fuel pump relay
3. Main fuse
4. To ignition switch
5. Fuel pump
6. Fuse box
NO
Go to Step 2.
"Bl/B", "P/B" or "B"
circuit open or fuel
pump malfunction.
Replace fuel pump.
Right hand steering vehicle