Suzuki GSX-R1000 2007 Service Manual page 213

4-58 FI SYSTEM DIAGNOSIS
4) Disconnect the AP sensor coupler.
5) Turn the ignition switch ON.
6) Measure the voltage at the R wire and ground.
7) If OK, then measure the voltage at the R wire
wire .
AP sensor input voltage: 4.5 – 5.5 V
\ 09900-25008: Multi-circuit tester set
W Tester knob indication: Voltage ()
Is the voltage OK?
YES Go to Step 2.
• Loose or poor contacts on the ECM coupler
NO (terminal
• Open or short circuit in the R wire or B/Br wire
Step 1 (When indicating P1450-H:)
1) Turn the ignition switch OFF.
2) Remove the front seat. ( 8-8)
3) Check the AP sensor coupler
If OK, then check the AP sensor lead wire continuity.
4) Disconnect the AP sensor coupler.
5) Check the continuity between R wire
the sound is not heard from the tester, the circuit condition is
OK.
( R – Ground)
( R – B/Br)
or )
for loose or poor contacts.
and G/Y wire
1
V
and B/Br
1
1
. If