Suzuki GA413 Service Manual page 448

6E-38 ENGINE AND EMISSION CONTROL SYSTEM
TABLE B-1 FUEL PUMP CIRCUIT CHECK
WIRING DIAGRAM
SYSTEM DESCRIPTION
Fuel pump relay is turned ON
INSPECTION
STEP
1 Did you perform "ENGINE DIAGNOSTIC FLOW
TABLE" in Section 6?
2 Fuel pump operation check:
1) Remove fuel filler cap.
2) Prepare to listen for fuel pump operation at fuel
filler pipe.
3) Turn ignition switch ON position, leaving engine
OFF.
4) Listen for fuel pump operation.
Does fuel pump operate for approximately 2 se-
conds?
for 2 sec. after the ignition switch is turned ON position.
while start engine signal is inputted.
while engine is running.
ACTION YES
Go to Step 2.
Fuel pump circuit is in
good condition.
1. Fuel pump
2. Fuel pump relay
3. Fuel pump relay connector
4. Power supply from main relay
5. ECM connector (A)
6. ECM
7. Ignition switch
NO
Go to "ENGINE DIAG-
NOSTIC FLOW TABLE".
Go to Step 3.