Suzuki 125 Service Manual page 56

6) Disconnect the ECM coupler.
7) Check the continuity between P wire A and terminal M.
8) Also, check the continuity between R wire B and terminal 9.
 TP sensor lead wire continuity: Continuity ()
 09900-25008: Multi-circuit tester set
09900-25009: Needle pointed probe set
 Tester knob indication: Continuity test ()

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.
Is the continuity OK?
YES Go to Step 1 (Page 52) and go to Step 2.
NO R wire or P wire open, or P wire shorted to ground
9) After repairing the trouble, clear the DTC using SDS tool.
(Page 40)
RV125K7 ('07-MODEL) 55
1
ECM coupler (Harness side)