Suzuki 2009 LT-A500XP, Service Manual

Page: 127 / 624

Engine General Information and Diagnosis: 1A-56
P1651-L (Use of SDS)
Step Action Yes No
1 1) Remove the air cleaner box. Refer to “Air Cleaner Box
Removal and Installation: in Section 1D” .
2) Turn the ignition switch OFF.
3) Check the TO sensor coupler for loose or poor contacts.
If OK, then check the TO sensor lead wire continuity.
4) Remove the TO sensor.
5) Disconnect the TO sensor coupler.
6) Insert the needle pointed probes to the lead wire coupler.
7) Check the continuity between Br/W wire “B” and ground.
Also, check the continuity between Br/W wire “B” and B/
Br wire “C”. If sound is not heard from the tester, the
circuit condition is OK.
Special tool
(A): 09900–25008 (Multi circuit tester set)
8) Disconnect the ECM coupler. Refer to “ECM Removal
and Installation: in Section 1C” .
Go to Step 2. R or B wire open, or Br/
W wire shorted to the
ground.
I931H1110052-01
(A)
“B”
“C”
I831G1110084-01