VL800/C/TK9 (’09-MODEL) 18-23
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).
DTC No.
DETECTED
ITEM
DETECTED FAILURE CONDITION CHECK FOR
C40/P0505
ISC valve The circuit voltage of motor drive is
unusual.
ISC valve circuit open or shorted
to the ground
Power source circuit open
C40/P0506
Idle speed is lower than the desired
idle speed.
Air passage clogged
ISC valve is fixed
ISC valve preset position is
incorrect
C40/P0507
Idle speed is higher than the desired
idle speed.
ISC va ve hose connection
ISC valve is fixed
ISC valve preset position is
incorrect
C41
Fuel pump
relay
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.
Fuel pump relay, lead wire/cou-
pler connection. power source to
the fuel pump relay and fuel
injectors
P0230
C42 Ignition
switch
Ignition switch signal is not input to
ECM.
Ignition switch, lead wire/coupler
P1650
C44/C64
HO2 sensor
(E-02, 19, 24,
33)
HO2 sensor output voltage is not input
to ECM during engine operation and
running cond tion.
(Sensor voltage 0.1 V)
In other than the above value, C44
(P0156) or C64 (P0130) is indicated.
HO2 sensor circuit open or
shorted to ground
P0156/P0130
C44/64
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.
HO2 sensor lead wire/coupler
connection
Battery voltage supply to the
HO2 sensor
P0161/P0135
C49 PAIR control
solenoid
valve
PAIR control solenoid valve voltage is
not input to ECM.
PAIR control solenoid valve, lead
wire/coupler
P1656
C62 EVAP system
purge con-
trol solenoid
va ve
(E-33 only)
EVAP system purge control solenoid
valve voltage is not input to ECM.
EVAP system purge control
solenoid valve, lead wire/coupler
connection
P0443