Fuel Pump Relay Inspection - Lexus 2005 IS300 User Manual

SF-52
Fuel Pump Relay
Ohmmeter
Continuity
3
4 2
Ohmmeter
No Continuity
3
4
2
2005 LEXUS IS300 (RM1140U)
B11950
1
Continuity
Ohmmeter
P08098
1
Battery
P08099
SFI - FUEL PUMP RELAY
FUEL PUMP RELAY
INSPECTION
1. REMOVE RELAY BOX COVER
2. REMOVE FUEL PUMP RELAY (Marking: FUEL PMP)
3. INSPECT FUEL PUMP RELAY
(a) Inspect the relay continuity.
(1) Using an ohmmeter, check that there is continuity
between terminals 1 and 2.
If there is no continuity, replace the relay.
(2) Check that there is continuity between terminals 3
and 4.
If there is no continuity, replace the relay.
(b) Inspect the relay operation.
(1) Apply battery positive voltage across terminals 1
and 2.
(2) Using an ohmmeter, check that there is no continu-
ity between terminals 3 and 4.
If there is continuity, replace the relay.
4. REINSTALL FUEL PUMP RELAY
5. REINSTALL RELAY BOX COVER
Author :
SF1LG-04
Date :
1433