Sym ATTILA RS-21 EFi 150 Service Manual page 67

4. FUEL INJECTION SYSTEM
DTC Solution Flash
Code Priority code
P0505 2
P0251 2
P0350 2
P0230 2
P0219 2
P1560 2
P0700 2
P0115 2
P1561 2
P0650 3
P1410 2
P0105 2
4-22
This chapter Contents
Message
Application
range abnormal
9
of the air
by-pass valve
Abnormal fuel
10
injector
Abnormal
11
ignition circuit
Abnormal fuel
12
pump relay
Engine
13
over-speeding
Abnormal 5V
14
driving voltage
High RPM
15
warning for
starting engine
Abnormal
engine
16
temperature
sensor
Abnormal
engine
17
temperature
gauge
Abnormal
18
warning lamp
Adjustment of
19
CO
Abnormal MAP
20
sensor
Solution Operation
1. Check if the openness of idle speed by-pass valve
is within specification. (40~100%)
2. Make sure if the idle speed valve openness is in
normal. (stuck or poor adjustment of air screw)
3. Make sure if the intake manifold is leaking.
1. Make sure if the fuel injector resistor is within
specification. (14.5 £ [ , 20¢ J )
2. Make sure if the connector or wire is in open-circuit.
rd
(the 3 terminal of ECU)
3. Make sure if the fuel injector power supplied is in
normal. (12~15V)
1. Make sure if the ignition coil resistor is within
specification. (0.63 £ [ , 23¢ J )
2. Make sure if the connector or wire is in open-circuit.
(the 12th terminal of ECU)
3. Make sure if the ignition coil power supplied is in
normal. (12~15V)
4. Make sure if the ignition coil is normal according to
the new component replacement procedure.
1. Make sure if the connector or wire is in open-circuit.
2. Replace with new relay to make sure if this
abnormal is disappeared.
1. Engine speed exceed safety limit. Decreasing the
speed and then the DTC code disappeared.
2. Check if the CVT belt is broken.
1. Make sure if the 18
2. Make sure if the sensor's power voltage is 5V. (The
th th
16 & 18 terminals)
3. Replace the ECU and confirm again.
1. If the engine speed is exceed 300rpm as starting, in
order to prevent run-away, the ECU will decrease
engine speed or stop the engine.
2. Rider should avoid to starting engine with WOT
suddenly.
3. Check if acceleration cable is stuck. Re-set the idle
speed adjustment position.
1. Make sure if the sensor's resistor is within
specification. (25¢ J , 10319~11981£ [ )
2. Make sure if the sensor's wire is in open-circuit. (the
9th terminal of ECU)
3. Make sure if the sensor is normal according to the
new component replacement procedure.
1. Check if the warning lamp is burnt.
2. Check if the warning lamp circuit is open. (the 4
terminal of ECU)
1. Make sure if the sensor's voltage is within
specification. (101kpa, 3.925V)
2. Check if the sensor circuit is open. (the 8
of ECU)
3. Make sure if the sensor is normal according to the
new component replacement procedure.
th
terminal of ECU is 5V.
th
th
terminal