C24" Igintion System Malfunction - Suzuki AN400 Service Manual

4-36 FI SYSTEM
Step 2
1) Connect the TO sensor coupler.
2) Insert the copper wires to the lead wire coupler.
3) Turn the ignition switch ON.
4) Measure the voltage at the wire side coupler between Br/W
and B/Br wires.
$ TO sensor voltage: 1.3 V and less
Also, measure the voltage when leaning of the motorcycle.
5) Dismount the TO sensor from its bracket and measure the
voltage when it is leaned more than 70 °, left and right, from
the horizontal level.
$ TO sensor voltage: 3.8 V and more
! 09900-25008: Multi circuit tester set
& Tester knob indication: Voltage (')
Is the voltage OK?
• Red, Br/W or B/Br wire open or shorted to
ground, or poor R or S connection.
• If wire and connection are OK, intermittent trou-
YES
ble or faulty ECM.
• Recheck each terminal and wire harness for
open circuit and poor connection.
• Loose or poor contacts on the ECM coupler.
NO • Open or short circuit.
• Replace the TO sensor with a new one.

"C24" IGINTION SYSTEM MALFUNCTION

*Refer to the IGNITION SYSTEM for details. (#8-23)
( + Br/W – - B/Br)
( + Br/W – - B/Br)
ECM Coupler