Suzuki AN650 2002 Service Manual page 407

Fuel injector
C32 or C33
Intake air control (IAC)
C40
valve
Fuel pump relay
C41
Ignition switch
C42
Heated oxygen sensor
(HO2S) [E-02, 19]
C44
CVT serial
communication
C50
CVT motor
C51
CVT pulley position
sensor
C52
CVT speed sensor
C53
CVT secondary pulley
revolution sensor
C54
CVT engine revolution
signal
C55
CVT throttle position
C56 signal
CVT reduction ratio
disagreement
C58
Crankshaft position sensor (pick-up coil) signal is produced but
fuel injector signal is interrupted continuous by 4 times or more.
In this case, the code C32 or C33 is indicated.
Injector, wiring/coupler connection, power supply to the injec-
tor.
No IAC valve voltage is supplied after starting the engine.
IAC valve, wiring/coupler connection.
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, connecting lead, power source to fuel pump
relay.
Ignition switch signal is not input in the ECM.
Ignition switch, lead wire/coupler.
During O2 feedback control, O2 sensor voltage is higher or
lower than the specification.
No signal is detected during engine operation or no electrical
power is supplied from battery.
HO2S lead wire/coupler connection.
Battery voltage supply to the HO2S.
No signal is supplied from CVT control unit to ECM for more
than 5 sec. after starting the engine.
Wiring/coupler connection.
The CVT motor operating voltage is not supplied from CVT
control unit.
CVT motor, wiring/coupler connection.
The sensor should produce following voltage.
(0.06 sensor voltage
Without the above range, C52 is indicated.
CVT pulley position sensor, wiring/coupler connection.
The CVT speed sensor signal is not input to CVT control unit
for more than 3 sec. during vehicle rurning.
Speed sensor, wiring/coupler connection.
The CVT secondary pulley revolution signal is not input to CVT
control unit at speed of 20 km or higher.
CVT secondary pulley revolution sensor, wiring/coupler con-
nection.
The CVT engine revolution signal is not input to CVT control
unit from ECM at speed of 20 km or higher.
Wiring/coupler connection.
The CVT throttle position signal does not reach for more than 5
sec. from ECM to CVT control unit after ignition switch turns ON.
Wiring/coupler connection.
The CVT pulley position signal disagrees with actual revolution
ratio for more than 4 sec.
PPS, CVT belt, CVT primary pulley/secondary pulley.
SERVICING INFORMATION
5.04)
11-3