Suzuki VL800 Service Manual page 563

DETECTED
DTC No.
ISC valve
C40/P0505
C40/P0506
C40/P0507
Fuel pump
C41
relay
P0230
C42 Ignition
P1650 switch
HO2 sensor
C44/C64 (E-02, 19, 24,
33)
P0156/P0130
C44/64
P0161/P0135
C49 PAIR control
solenoid
P1656
valve
C62 EVAP system
purge con-
trol solenoid
P0443
va ve
(E-33 only)
NOTE:
HO2 SENSOR VOLTAGE MEASURING CONDITION
* Warm up the engine as follows:
10 minutes at idling or 100 seconds over 2 000 r/min.
* Coolant temperature is upper 45 °C (113 °F).
DETECTED FAILURE CONDITION
ITEM
The circuit voltage of motor drive is
unusual.
Idle speed is lower than the desired
idle speed.
Idle speed is higher than the desired
idle speed.
No voltage is applied to the fuel pump
although fuel pump relay is turned ON
or voltage is applied to fuel pump,
although fuel pump relay is turned
OFF.
Ignition switch signal is not input to
ECM.
HO2 sensor output voltage is not input
to ECM during engine operation and
running cond tion.
(Sensor voltage
In other than the above value, C44
(P0156) or C64 (P0130) is indicated.
The Hea er can not operate so that
heater operation voltage is not supply
o the oxygen heater circuit, C44
(P0161) or C64 (P0135) is indicated.
PAIR control solenoid valve voltage is
not input to ECM.
EVAP system purge control solenoid
valve voltage is not input to ECM.
ISC valve circuit open or shorted
to the ground
Power source circuit open
Air passage clogged
ISC valve is fixed
ISC valve preset position is
incorrect
ISC va ve hose connection
ISC valve is fixed
ISC valve preset position is
incorrect
Fuel pump relay, lead wire/cou-
pler connection. power source to
the fuel pump relay and fuel
injectors
Ignition switch, lead wire/coupler
HO2 sensor circuit open or
shorted to ground
0.1 V)
HO2 sensor lead wire/coupler
connection
Battery voltage supply to the
HO2 sensor
PAIR control solenoid valve, lead
wire/coupler
EVAP system purge control
solenoid valve, lead wire/coupler
connection
VL800/C/TK9 ('09-MODEL) 18-23
CHECK FOR