Suzuki GSX-R1000 2007 Service Manual page 226

Step 1 (When indicating P1654-L:)
1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. ( 5-3)
3) Check the STP sensor coupler
If OK, then check the STP sensor lead wire continuity.
4) Disconnect the STP sensor coupler.
5) Check the continuity between Y/W wire
6) Also, check the continuity between Y/W wire
. If the sound is not heard from the tester, the circuit condi-
tion is OK.
7) Disconnect the ECM coupler.
8) Check the continuity between Y/W wire
9) Also, check the continuity between R wire
STPS lead wire continuity: Continuity (?)
\ 09900-25008: Multi-circuit tester set
09900-25009: Needle pointed probe set
= Tester knob indication: Continuity test (?)
Is the continuity OK?
YES Go to Step 1 ( 4-69) and go to Step 2.
R or Y/W wire open, or Y/W wire shorted to
NO
ground
10)After repairing the trouble, clear the DTC using SDS tool.
( 4-28)
for loose or poor contacts.
and ground.
and B/Br wire
and terminal
and terminal
1
1
1
.
.
(Black)
ECM coupler (Harness side)
FI SYSTEM DIAGNOSIS 4-71
?
(Gray)