1A-73 Engine General Information and Diagnosis:
1
6) Disconnect the ECM coupler. Refer to “ECM Removal
and Installation in Section 1C (Page 1C-1)”.
7) Check the continuity between the Y/W wire “A” and
terminal “20”.
Also, check the continuity between the R wire “C” and
terminal “11”.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity (
)
ECM couplers (Harness side)
Is the continuity OK?
Go to Step 2.
R or Y/W wire open, or
Y/W wire shorted to
ground.
2
1) Connect the ECM coupler.
2) Turn the ignition switch ON.
3) Measure the input voltage between the R wire “C” and
ground.
Also, measure the input voltage between the R wire “C”
and B/Br wire “B”.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Voltage (
)
STP sensor input voltage
4.5 – 5.5 V
((+) terminal: R – (–) terminal: Ground, (+) terminal: R
– (–) terminal: B/Br)
Is the voltage OK?
Go to Step 3.
Open or short circuit in
the R or B/Br wire.
Step
Action
Yes
No
“C”
“A”
(Black)
(Gray)
(A)
(B)
“20”
“11”
I822H1110070-02
“C”
“B”
(A)
I822H1110071-01
Summary of Contents for VLR1800
Page 4: ......
Page 64: ...0C 12 Service Data...
Page 456: ...2D 22 Wheels and Tires...
Page 489: ...Drive Chain Drive Train Drive Shaft 3A 31 09951 17010 Bearing installer Page 3A 19...
Page 490: ...3A 32 Drive Chain Drive Train Drive Shaft...
Page 580: ...6B 11 Steering Handlebar...
Page 623: ...Prepared by January 2008 Part No 99500 39360 01E Printed in Japan 624...