Suzuki GSX-R1000 2007, Service Manual

Page: 222 / 549

FI SYSTEM DIAGNOSIS 4-67
Step 2
1) Turn the ignition switch OFF.
2) Disconnect the STVA lead wire coupler.
3) Check the continuity between each terminal and ground.
STVA continuity:
∞ Ω
(Infinity)
(Terminal – Ground)
4) If OK, then measure the STVA resistance (between B wire
and P wire ) and (between G wire and W/BI wire ).
STVA resistance: Approx. 6.5
Ω
(B – P )
(G – W/BI )
\
09900-25008: Multi-circuit tester set
V
Tester knob indication: Resistance (
Ω
)
Is the resistance OK?
5) After repairing the trouble, clear the DTC using SDS tool.
( 4-28)
2
2
YES
• W/B, P/W, G and B/Lg wire open or shorted to
ground, or poor , ,
2
and
3
connection
• 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
• Loose or poor contacts on the ECM coupler.
• Replace the STVA with a new one.
ECM coupler (Harness side)
2
(Black) (Gray)