FI SYSTEM DIAGNOSIS 4-61
5) If OK, then check the continuity between each terminal and
ground.
Fuel injector continuity:
∞
Ω
(Infinity)
09900-25008: Multi circuit tester set
Tester knob indication: Resistance (
Ω
)
Are the resistance and continuity OK?
Step 2
1) Turn the ignition switch ON.
2) Measure the fuel injector voltage between O/W wire and
ground.
Fuel injector voltage: Battery voltage
(
+
O/W –
-
Ground)
NOTE:
Injector voltage can be detected only for 3 seconds after ignition
switch is turned ON.
09900-25008: Multi circuit tester set
Tester knob indication: Voltage (
)
Is the voltage OK?
YES
Go to Step 2.
NO
Replace the fuel injector with a new one.
(
5-19)
YES
• Lg/W wire open or shorted to ground, or poor
F
connection
• If wire and connection are OK, intermittent trou-
ble or faulty ECM.
• Recheck each terminal and wire harness for
open circuit and poor connection.
• Replace the ECM with a known good one, and
inspect it again.
NO
Open circuit in the O/W wire
1
2
V
ECM coupler (Harness side)
2
Содержание TU250X
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Страница 342: ...10 22 SERVICING INFORMATION SIDE STAND INSTALLATION 50 N m 5 0 kgf m 36 0 lbf ft 55 N m 5 5 kgf m 40 0 lbf ft...
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