Toyota Tundra 2005 Service - Repair - Maintenance page 2003

Continuity
Ohmmeter
1
3
No Continuity
1
4
3
Battery
SFI (2UZ−FE)
FUEL PUMP RELAY
INSPECTION
1.
2.
3.
(a)
Ohmmeter
2
If there is no continuity, replace the relay.
(b)
5
If there is no continuity, replace the relay.
B07643
4.
(a)
Ohmmeter
(b)
If there is continuity, replace the relay.
2
5.
6.
Continuity
B07644
− FUEL PUMP RELAY
REMOVE RELAY BOX COVER
REMOVE FUEL PUMP RELAY (Marking: F/P)
INSPECT FUEL PUMP RELAY CONTINUITY
Using an ohmmeter, check that there is continuity be-
tween terminals 1 and 2.
Check that there is continuity between terminals 3 and 4.
INSPECT FUEL PUMP RELAY OPERATION
Apply battery positive voltage across terminals 1 and 2.
Using an ohmmeter, check that there is no continuity be-
tween terminals 3 and 4.
REINSTALL FUEL PUMP RELAY
REINSTALL RELAY BOX COVER
SF−61
SF1XT−01