Suzuki 2005 VL1500K5, Дополнительное руководство по обслуживанию, Страница: 87 / 181

86 VL1500K5 (’05-MODEL)
“C41” (P0230) FP RELAY CIRCUIT MALFUNCTION
INSPECTION
Step 1
1) Remove the right frame upper cover.
(
!
VL1500 Service Manual 6-3)
2) Turn the ignition switch OFF.
3) Check the FP relay coupler for loose or poor contacts.
If OK, then check the FP relay.
(
!
Page 96)
Is the FP relay OK?
4)After repairing the trouble, clear the DTC using SDS tool. (
!
Page 42)
“C42” (P01650) IG SWITCH CIRCUIT MALFUNCTION
INSPECTION
*Refer to the IGNITION SWITCH INSPECTION for details. (
!
Page 142)
DETECTED CONDITION POSSIBLE CAUSE
No voltage is applied to fuel pump although fuel
pump relay is turned ON, or voltage is applied to fuel
pump, although fuel pump relay is turned OFF. • Fuel pump relay circuit open or short.
• Fuel pump relay malfunction.
• ECM malfunction.
YES
• Yellow or O/W wire open or shorted to ground,
or poor
e
connection.
• Y/R or R/W wire open or poor
0
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 Replace the FP relay with a new one.
DETECTED CONDITION POSSIBLE CAUSE
Ignition switch signal is not input in the ECM. • Ignition system circuit open or short.
• ECM malfunction.
ECM
Side-stand
relay
Engine stop
switch
Fuel pump
relay
Fuel pump
Ignition
switch
M
Y
Y/R
VM
FP Relay
To GP
switch
R/W
O/W
1
ECM coupler (Harness side)
1
SA
MP
LE