Lexus RX300 (MCU15). Service manual - part 509
B04565
Star ter
Relay
ST09H–01
P07170
Ohmmeter
Ohmmeter
No
Continuity
Continuity
1
3
2
5
P07171
Ohmmeter
Continuity
1
3
2
5
Battery
ST–20
–
STARTING
STARTER RELAY
LEXUS RX300 (RM785E)
STARTER RELAY
INSPECTION
1.
REMOVE RELAY BOX COVER
2.
REMOVE STARTER RELAY (Marking: ST)
3.
INSPECT STARTER 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 no continuity between terminals
3 and 5.
If there is 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 continuity
between terminals 3 and 5.
If there is no continuity, replace the relay.
4.
REINSTALL STARTER RELAY
5.
REINSTALL RELAY BOX COVER