Circuit Opening Relay; Inspection Of Circuit Opening Relay - Toyota 7M-GE Repair Manual

EFI SYSTEM - Electronic Control System
FI-113
hrcuit Opening Relay
._
Check Connector
Fuel Pump Switch
(Air Flow Meter)
-.
To Fuel Pump
Relay
I
I
r-l
~1 Continuity
INSPECTION OF CIRCUIT OPENING RELAY
i-----E
1.
INSPECT RELAY CONTINUITY
(a) Using an ohmmeter, check that there is continuity
between terminals STA and El.
(b)
Check that there is continuity between terminals B
and FC.
(c)
Check that there is no continuity between terminals B
and FP.
If continuity is not as specified, replace the relay.
2.
INSPECT RELAY OPERATION
(a) Apply battery voltage across terminals STA and El.
(b) Using an ohmmeter, check that there is continuity
between terminals B and FP.
(c)
Apply battery voltage across terminals B and FC.
(d) Check that there is continuity between terminals B
and FP.
If operation is not as specified, replace the relay.