BF135A•BF150A
5-107
• Fuel Pump (High pressure side) Inspection
• Turn the ignition switch OFF before disconnecting and con-
necting the connectors.
• Use a known-good battery.
1) Remove the engine cover (P. 4-2).
2) Turn the ignition switch ON. Check that the fuel pump oper-
ation sound can be heard for approximately 2 seconds.
Is there the fuel pump operation sound?
YES –
Check the gasoline discharge volume.
NO –
Go to the step 3.
3) Remove the high pressure side fuel pump 2P connector
from the connector bracket, and disconnect the connector.
4) Measure the voltage between the Black terminal of the har-
ness side connector and the body ground.
Is there the continuity?
YES –
Check the gasoline discharge volume.
NO –
Go to the step 5.
5) Attach the positive (+) tester lead to the Blue/Yellow (+) ter-
minal and the negative (–) tester lead to the Black (–) ter-
minal of the harness side connector.
Turn the ignition
switch ON and be sure that there is battery voltage for
approximately 2 seconds.
Is there the battery voltage?
YES –
Check the gasoline discharge volume (P. 5-108).
NO –
Check the PGM-FI main relay harness (P. 5-97).
Gasoline is highly flammable and explosive.
You can be burned or seriously injured when handling fuel.
• Keep heat, sparks, and flame away.
• Handle fuel only outdoors.
• Wipe up spills immediately.
FUEL PUMP 2P
CONNECTOR
FUEL PUMP HARNESS
SIDE 2P CONNECTOR
FUEL PUMP HARNESS
SIDE 2P CONNECTOR
CONNECTOR BRACKET
ENGINE
GROUND
BLACK
BLACK (–)
BLUE/
YELLOW (+)