Suzuki VLR1800, Service Manual

Page: 161 / 624

Engine General Information and Diagnosis: 1A-92
Troubleshooting
CAUTION
!
When using the multi-circuit taster, do not strongly touch the terminal of the ECM coupler with a
needle pointed tester probe to prevent terminal damage.
NOTE
After repairing the trouble, clear the DTC using SDS tool. Refer to “Use of SDS Diagnosis Reset
Procedures (Page 1A-14)”.
C46 (Use of mode select switch)
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Remove the right frame cover (All models) and EVAP
canister (For E-33). Refer to “Exterior Parts Removal
and Installation in Section 9D (Page 9D-3)” (All models)
and “Evaporative Emission Control System Removal
and Installation (Only for E-33) in Section 1B (Page 1B-
13)”.
3) Check the EXCVA position sensor coupler (1) and
EXCVA motor coupler (2) for loose or poor contacts.
4) Turn the ignition switch ON.
5) Check the operation of the EXCVA.
(EXCVA operation order: Full close
→
Full open
→
Approx. 30% open)
Is the operation OK?
Go to Step 2. Go to Step 6.
1
2
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