Engine General Information and Diagnosis: 1A-94
C41 (Use of mode select switch)
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Remove the right rear frame cover. Refer to “Exterior
Parts Removal and Installation in Section 9D (Page 9D-
4)”.
3) Check the FP relay coupler (1) for loose or poor
contacts.
If OK, then check the FP relay. Refer to “Fuel Pump
Relay Inspection in Section 1G (Page 1G-6)”.
Is the FP relay OK?
Go to Step 2. Replace the FP relay
with a new one.
2 1) Disconnect the ECM coupler and fuel pump lead wire
coupler. Refer to “ECM Removal and Installation in
Section 1C (Page 1C-1)” and “Fuel Tank Removal and
Installation in Section 1G (Page 1G-7)”.
2) Insert the needle pointed probes to the lead wire coupler.
3) Check there is continuity between the Y/B wire “A” and
ECM terminal “34”.
Also the Y/R wire “B” and ECM terminal “9”.
Special tool
(A): 09900–25008 (Multi circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity ( )
Go to Step 3. Open or short circuit in
the Y/B or Y/R wire.
1
I944H1110080-01
“9”
“34”
(A)
“A”
“B”
(B)
I944H1110184-01
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