1A-85 Engine General Information and Diagnosis:
DTC “C31” (P0705): GP Switch Circuit Malfunction
B718H11104020
Detected Condition and Possible Cause
Wiring Diagram
ECM coupler (Harness side)
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-13)”.
Detected Condition Possible Cause
No Gear Position switch voltage
Switch voltage is not within the following range.
Switch voltage > 0.6 V
• Gear position switch circuit open or short.
• Gear position switch malfunction.
• ECM malfunction.
N
1
5
4
2
3
ECM
GP
E1
6
B/W
P
Bl
P
B/W
GP switch
Side-stand relay
Neutral indicator light
Side-stand switch
Ignition
switch
To the engine stop switch
23
34
I718H1110097-03
I718H1110240-01