Suzuki GSX-R1000 2007, Service Manual

Page: 254 / 549

FI SYSTEM DIAGNOSIS 4-99
Step 6
1) Turn the ignition switch OFF.
2) Disconnect the EXCVA motor coupler
.
3) Apply 12 V to the terminals and check the operation of
EXCVA.
4) Then, switch the wires supplied 12 V and check the operation
of EXCVA.
(Check the operation of EXCVA in both way.)
Is the operation OK?
5) After repairing the trouble, clear the DTC using SDS tool.
( 4-28)
6
6
12 V
6
12 V
YES
• Loose or poor contacts on the EXCVA or ECM
coupler (terminal
$
or )
• Open or short circuit in the B/R wire or R/B wire
• If wire and connection are OK, intermittent trou-
ble or faulty ECM.
• Recheck each terminal and wire harness for
open circuit and poor connection.
• Replace the ECM with a known good one, and
inspect it again.
NO
• Replace the EXCVA with a new one.
• Inspect that the EXCV and two cables move
smoothly. ( 6-14)