8-29
–
+
ELEC
E
FUEL CONTROL SYSTEM
3. Measure:
• Injector driver output peak voltage
Correct
→
Replace the electric fuel
pump.
Out of specification
→
Replace the
injector driver.
CHECKING THE FUEL PRESSURE
SENSOR
8
Measure:
• Fuel pressure sensor output voltage
Out of specification
→
Replace.
Measuring steps
(1) Connect the test harness (3-pin) as
shown.
(2) Start the engine.
(3) Measure the fuel pressure sensor out-
put voltage.
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)
r/min
Circuit
Loaded
Cranking
1,500
3,500
V
65
60
65
65
Fuel pressure sensor output
voltage
Pink (P) – Black (B)
2.8 – 3.2 V
Test harness (3-pin)
YB-06769 / 90890-06769
(O
/
L)
(Pu
/
L)
8470
B
P
O
8480
Содержание LZ200N
Страница 1: ...68F 28197 Z9 A1 WORLDWIDE Z200N LZ200N Z200Y LZ200Y USA CANADA SERVICE MANUAL 290369 ...
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Страница 392: ...Printed on recycled paper Printed in Japan Oct 1999 0 6 1 CR Z200NETO LZ200NETO YAMAHA MOTOR CO LTD ...