C52" Cvt Pulley Position Sensor (Pps) Circuit Malfunction - Suzuki AN650 2002 Service Manual

"C52" CVT PULLEY POSITION SENSOR (PPS) CIRCUIT MALFUNCTION

DETECTED CONDITION
PPS voltage low or high.
0.06 V Sensor voltage
without the above range.
INSPECTION
• Remove the foot board. ( : 9-18)
• Place the motorcycle on the center stand and put the side
stand in.
1
Turn the ignition switch OFF.
Check the PPS coupler
If OK, then measure the PPS input voltage.
Insert the copper wires to the coupler.
Turn the ignition switch ON and measure the PPS input
voltage.
; PPS input voltage: 4.5 – 5.5 V (
z 09900-25008: Multi circuit tester
u Tester knob indication: Voltage ( - )
OK
2
Turn the ignition switch OFF.
Measure the PPS output voltage.
Insert the copper wires to the PPS coupler.
Remove the center stand switch
Start the engine and shift to Manual mode.
Check for PPS output voltage at revolution each for 1st,
3rd and 5th as shown below.
; PPS output voltage: (
1st-Idle rpm: Approx. 3.3 V
3rd-3000 rpm: Approx. 1.3 V
5th-3000 rpm: Approx. 0.5 V
z 09900-25008: Multi circuit tester
u Tester knob indication: Voltage ( - )
OK
Next page
5.04 V
for loose or poor contacts.
+
Lbl/O or R –
NG
Loose or poor contacts on
the CVT contol unit coupler.
Open or short in the
Lbl/O or R wire or B wire.
.
+ -
Lbl/Y or Bl – B)
NG
Replace the CVT control
unit.
POSSIBLE CAUSE
• PPS circuit open or short.
• PPS malfunction.
• CVT control unit malfunction.
-
B)
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2
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FI SYSTEM/ CVT SYSTEM 6-47
1