FI SYSTEM/ CVT SYSTEM 6-53
“C55” CVT ENGINE REVOLUTION SIGNAL CIRCUIT MALFUNCTION
INSPECTION
DETECTED CONDITION
POSSIBLE CAUSE
The CVT engine revolution signal is not input to
CVT control unit from ECM at speed of 20 km or
higher.
• Lead wire open or short.
• ECM malfunction.
• CVT control unit malfunction.
• Remove the front panel. (
:
9-8)
• Place the motorcycle on the center stand and put the side
stand in.
1
OK
NG
;
CVT engine revolution signal: Approx. 2.5 V
(
+
Br/W –
-
Ground)
z
09900-25008: Multi circuit tester
u
Tester knob indication: Voltage (
-
)
Short circuit in the Br/W
lead wire.
Loose or poor contacts.
ECM malfunction.
Check the ECM and CVT control unit couplers for loose
or poor contacts.
If OK, check the CVT engine revolution signal.
Insert the copper wire to the
3
(Br/W) wire of the CVT
control unit coupler.
Start the engine and measure the signal voltage between
+
Br/W (
3
) wire and
-
Ground.
NOTE:
Do not need to disconnect any couplers.
Loose or poor contacts on the CVT control unit
couplers.
CVT control unit malfunction.
CVT control unit coupler
CVT control unit coupler
Br/W
ECM couplers
V
V
3
O
3
1
1
1
Содержание AN650 2002
Страница 1: ......
Страница 47: ...PERIODIC MAINTENANCE 2 29 ...
Страница 124: ...ENGINE 3 73 POSITION OF CAMSHAFTS AND SPROCKETS 15 1 1 2 2 3 3 ...
Страница 137: ...CVT 5 3 Remove the CVT mounting bolts Remove the CVT assembly ...
Страница 177: ...6 16 FI SYSTEM CVT SYSTEM E Serial communication G Speed signal Speed sensor H Engine rpm Crankshaft position sensor ...
Страница 425: ...SERVICING INFORMATION 11 21 FUEL TANK MOUNTING ...
Страница 426: ...11 22 SERVICING INFORMATION FUEL TANK MOUNTING Only for E 28 ...
Страница 427: ...SERVICING INFORMATION 11 23 FUEL TANK HOSE ROUTING Clamp Orange Black Gray Black 5 8 mm 5 8 mm 5 mm TPC valve TPC valve ...
Страница 462: ...Prepared by July 2002 Part No 99500 36110 01E Printed in Japan 464 ...
Страница 463: ......