Suzuki RMX450Z Service Manual page 124

1A-55 Engine General Information and Diagnosis:
P1651-H (Use of SDS)
Step
1 1) Turn off the ignition switch.
2) Remove the fuel tank. Refer to "Fuel Tank Removal and
Installation" in Section 1G (Page 1G-5).
3) Check the TO sensor coupler (1) for loose or poor
contacts.
If OK, then check the TO sensor lead wire continuity.
4) Remove the TO sensor.
5) Check the continuity between the R/Bl wire "A" and B/Br
wire "C". If the sound is not heard from the tester, the
circuit condition is OK.
Special tool
(A): 09900–25008 (Multi circuit tester set)
Tester knob indication
Continuity test (
"A"
6) Disconnect the ECM coupler. Refer to "ECM Removal
and Installation" in Section 1C (Page 1C-1).
Action
1
IA02J1110052-02
)
"C"
IA02J1110055-01
Yes
Go to Step 2.
(A)
No
Br/W wire shorted to
VCC, or B/Br wire open.