Fuel Pump Relay And Resistor; Inspection Of Pump Relay And Resistor; Inspect Fuel Pump Relay - Toyota 7M-GE Repair Manual

EFI SYSTEM - Electronic Control System
FI-117
Fuel Pump Relay and Resistor
To Circuit Opning *-
Relay (FP)
+B
Fuel Pump Relay
M Fuel Pump
P
Y
Fit 70
I
No continuity
MS Continuitv
Continuity
I
N
R25
am
IA
Continuitv
FI:
VIA
Continuity Continuity
INSPECTION OF PUMP RELAY AND
RESISTOR
1.
A.
INSPECT FUEL PUMP RELAY
Inspect Relay Continuity
(a) Using an ohmmeter, check that there is continuity
between terminals +B and FP.
(b)
Check that there is continuity between terminals +B
and FPR.
(c)
Check that there is no continuity between terminals
+B and PR.
If continuity is not as specified, replace the relay.
B. Inspect Relay Operation
la) Apply battery voltage across terminals +B and FPR.
(b) Using an ohmmeter, check that there is continuity
between terminals +B and PR.
(c) Check that there
is no continuity between terminals
B and FP.
If operation is not as described, replace the relay.