Dtc "C14" (P0120-H/L): Tp Sensor Circuit Malfunction - Suzuki GSF650A Service Manual

1A-39 Engine General Information and Diagnosis:

DTC "C14" (P0120-H/L): TP Sensor Circuit Malfunction

Detected Condition and Possible Cause
Detected Condition
Output voltage is not within the following
range.
Difference between actual throttle opening
C14
and opening calculated by ECM is larger
than specified value.
0.2 V ≤ Sensor voltage < 4.8 V
Sensor voltage is higher than specified
H
value.
P0120
Sensor voltage is lower than specified
L
value.
Wiring Diagram
TP sensor
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 the terminal damage or terminal bend.
NOTE
• After repairing the trouble, clear the DTC using SDS tool. Refer to "Use of SDS Diagnosis Reset
Procedures (Page 1A-15)".
• TP sensor is incorporated in the IAP sensor/IAT sensor.
• TP sensor maladjusted.
• TP sensor circuit open or short.
• TP sensor malfunction.
• ECM malfunction.
• TP sensor circuit is shorted to Vcc or ground circuit is
open.
• TP sensor circuit is open or shorted to the ground or Vcc
circuit is open.
B/Br
P/B
R
ECM coupler (Harness side)
Possible Cause
ECM
29 E2
8 TP
Vcc
11
B817H21104012
I718H1110031-05
I718H1110240-01