Yamaha Z200N Service Manual page 352

– +
ELEC
(O/L) (Pu/L)
8470
O
B P
8480
FUEL CONTROL SYSTEM
3. Measure:
• Injector driver output peak voltage
Correct → Replace the electric fuel
pump.
Out of specification → Replace the
injector driver.
Injector driver output peak
voltage
Orange/red (O/R) –
Purple/red (Pu/R)
Orange/black (O/B) –
Purple/black (Pu/B)
Orange/yellow (O/Y) –
Purple/yellow (Pu/Y)
Orange/green (O/G) –
Purple/green (Pu/G)
Orange/blue (O/L) –
Purple/blue (Pu/L)
Orange/white (O/W) –
Purple/white (Pu/W)
Circuit
r/min
Cranking
V 65
CHECKING THE FUEL PRESSURE
SENSOR
Measure:
• Fuel pressure sensor output voltage
Out of specification → Replace.
Fuel pressure sensor output
voltage
Pink (P) – Black (B)
2.8 – 3.2 V
Measuring steps
(1) Connect the test harness (3-pin) as
shown.
Test harness (3-pin)
YB-06769 / 90890-06769
(2) Start the engine.
(3) Measure the fuel pressure sensor out-
put voltage.
8-29
Loaded
1,500 3,500
60 65 65
E
8