Suzuki LT-Z400, Руководство по обслуживанию

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Engine General Information and Diagnosis: 1A-64
C41 (Use of mode select switch)
Step Action Yes No
1 1) Turn the ignition switch to OFF.
2) Remove the headlight. Refer to “Headlight Removal and
Installation in Section 9B (Page 9B-2)”.
3) Check the ECM coupler for loose or poor contacts.
If OK, then measure the FP relay input voltage.
4) Disconnect the ECM coupler.
5) Insert the needle pointed probe to ECM coupler.
6) Measure the voltage between terminal “14” and ground.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Voltage (
)
FP relay input voltage
Battery voltage
Is the voltage OK?
• FP relay (ECM)
malfunction.
• O/W or R/B wire open
or shorted, or poor
terminal “14” or “15”
connection.
• If the wire and
connection are OK.
intermittent trouble or
faulty ECM.
• Recheck each
terminal and wire
harness for open
circuit and poor
connection.
• Replace the ECM
with a known good
one, and inspect it
again.
Open or short circuit in
the red wire.
I933H1110069-01
V
“14”
(B)
(A)
I933H1110070-05
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