Suzuki VLR1800, Service Manual

Page: 180 / 624

1A-111 Engine General Information and Diagnosis:
Troubleshooting
CAUTION
!
When using the multi-circuit tester, 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)”.
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Remove the seat. Refer to “Exterior Parts Removal and
Installation in Section 9D (Page 9D-3)”.
3) Check the EVAP system purge control valve coupler (1)
for loose or poor contacts.
If OK, then measure the EVAP system purge control
valve resistance.
4) Disconnect the EVAP system purge control valve
coupler.
5) Measure the resistance between terminals.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Resistance (
Ω
)
EVAP system purge control valve resistance
Approx. 32
Ω
at 20
°
C (68
°
F)
(Terminal – Terminal)
Is the resistance OK?
Go to Step 2. Replace the EVAP
system purge control
with a new one. Refer to
“Evaporative Emission
Control System
Removal and
Installation (Only for E-
33) in Section 1B
(Page 1B-13)”.
1
I822H1110135-01
(A)
I822H1110136-01