Suzuki DL650K5 Service Manual page 527

"C14" (P0120-H/L) TP SENSOR CIRCUIT MALFUNCTION
DETECTED CONDITION
C14 Output voltage is not within the following
(P0120) range.
Difference between actual throttle open-
ing and opening calculated by ECM is
larger than specified value.
0.1 V < Sensor voltage < 4.8 V
P0120 Sensor voltage is higher than specified
H
value.
Sensor voltage is lower than specified
L
value.
TP sensor
INSPECTION
NOTE:
After repairing the trouble, clear the DTC using SDS tool.
Step 1
1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. (!DL650K4 5-7)
3) Check the TP sensor coupler for loose or poor contacts.
If OK, then measure the TP sensor input voltage.
4) Disconnect the TP sensor coupler.
5) Turn the ignition switch ON.
POSSIBLE CAUSE
• TP sensor maladjusted
• TP sensor circuit open or short
• TP sensor malfunction
• ECM malfunction
• TP sensor circuit shorted to VCC or ground circuit
open
• TP sensor circuit open or shorted to ground or
VCC circuit open
R
P/W
B/Br
1
DL650K7/AK7 ('07-MODEL)
ECM
VCC
TP
E2
13-23