Suzuki VL800 Service Manual page 431

5) Support the motorcycle with a jack.
6) Fold the side-stand to up position.
7) Make sure the engine stop switch is in the "RUN" position.
8) Insert the needle pointed probes to the lead wire coupler.
9) Turn the ignition switch ON.
10) Measure the voltage at the wire side coupler between Pink
wire and ground, when shifting the gearshift lever from 1st to
Top.
! GP switch voltage: 0.6 V and more
" 09900-25008: Multi-circuit tester set
09900-25009: Needle pointed probe set
& Tester knob indication: Voltage (')
Is the voltage OK?
• Pink wire open or shorted to ground, or poor 1
connection.
• If wire and connection are OK, intermittent rou-
ble or faulty ECM.
YES
• Recheck each terminal and wire harness for
open circuit and poor connection.
• Replace the ECM with a known good one, and
inspect it again.
• Open or short circuit in the Pink wire.
NO
• Replace the GP switch with a new one.
11) After repairing the trouble, clear the DTC using SDS tool.
($14-39)
(Pink – Ground)
VL800K5 ('05-MODEL)
1
V
Wire harness side
14-79