Suzuki SY413 Service Manual page 3113

6E1-80 ELECTRONIC FUEL INJECTION SYSTEM (G13/G16 ENGINE WITHOUT WU TWC)
1. Fuel pump controller coupler
(Viewed from harness side)
Terminal Standard voltage
(1), (2) 10 – 14V
10 10 – 14V 14V
(3)
About 0V
10 – 14V
Terminal Standard resistance
Continuity
(5)-body ( ) y
ground
Infinity
(4)-body
Continuity
ground
INSTALLATION
1) Connect coupler to fuel pump controller with ignition switch
OFF.
2) Install fuel controller with ground wire to body.
3) Install right front partition trim.
4) Raise rear seat back.
1. Fuel pump controller
INSPECTION
1) Remove fuel pump controller.
2) Connect coupler to fuel controller with ignition switch OFF.
3) Check voltage at each terminal.
NOTE:
As each terminal voltage is affected by the battery voltage,
confirm that it is 11V or more when ignition switch is ON.
Condition
Ignition switch ON
For 5 seconds after ignition switch is
turned ON.
Ignition switch ON and (5) terminal
grounded by service wire.
After 5 seconds from ignition switch is
turned ON and fuel of right side fuel
tank is empty.
After 5 seconds from ignition switch is
turned ON and fuel of right side fuel
tank is full.
4) Disconnect fuel pump controller with ignition switch OFF.
5) Check resistance between the following terminal.
Condition
Fuel of right side fuel tank is not
empty.
Fuel of right side fuel tank is
empty.
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Possible cause of out of standard voltage
"B/W" wire open.
"B" wire open or faulty fuel pump controller "B" wire open or faulty fuel pump controller
"P/G" wire shorted to ground, fuel level
switch or fuel pump controller faulty.
"P/G" wire open, fuel level switch faulty or
fuel pump controller faulty.
Possible cause of out of standard resistance
Faulty fuel level switch or "P/G" wire open.
Faulty fuel level switch or "P/G" wire shorted
to ground.
"B" wire open.