Suzuki kq750 2008, Service Manual

Page: 106 / 576

1A-35 Engine General Information and Diagnosis:
C14 (Use of mode select switch)
Step Action Yes No
1 1) Remove the left side cover. Refer to “Front Side Exterior
Parts Removal and Installation in Section 9D (Page 9D-
6)”.
2) Turn the ignition switch OFF.
3) Check the TP sensor coupler for loose or poor contacts.
If OK, then check the TP sensor input voltage.
4) Disconnect the TP sensor coupler.
5) Turn the ignition switch ON.
6) Insert the pointed probes to the lead wire coupler.
7) Measure the input voltage at the R wire “A” and ground.
If OK, then measure the input voltage at the R wire “A”
and B/Br wire “C”.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Voltage (
)
TP sensor input voltage
4.5 – 5.5 V
((+) terminal: R – (–) terminal: Ground, (+) terminal: R
– (–) terminal: B/Br)
Is the continuity OK?
Go to Step 2. • Loose or poor
contacts on the ECM
coupler.
• Open or short circuit
in the R wire or B/Br
wire.
I831G1110035-01
(B)
V
“A”
“C”
(A)
I831G1110081-01