Suzuki VZR1800 2007 Service Manual page 239

5-38 FI SYSTEM DIAGNOSIS
8) Check the continuity between P/B wire B and terminal 9
(#2), and G/B wire B and terminal P (#1).
9) If OK, then check the continuity between B/Br wire C (#1 and
#2) and terminal S.
"
When using the multi-circuit tester, do not strongly
touch the terminal of the ECM coupler with a needle
pointed tester probe to prevent the terminal damage
or terminal bend.
$ IAPS 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 2.
G/B or P/B wire shorted to VCC, or B/Br wire
NO
open.
10)After repairing the trouble, clear the DTC using SDS tool.
(#5-26)
Step 1
(When indicating P1750-L for IAP sensor #2)
(When indicating P0105-L for IAP sensor #1)
1) Turn the ignition switch OFF.
2) Remove the fuel tank. (#6-3)
3) Check the IAP sensor coupler for loose or poor contacts.
If OK, then check the IAP sensor lead wire continuity.
4) Disconnect the IAP sensor coupler.
5) Check the continuity between P/B (#2 1) or G/B (#1 2) wire
B and ground.
6) Also, check the continuity between P/B or G/B wire B and
B/Br wire C. If the sound is not heard from the tester, the cir-
cuit condition is OK.
1
(Black)
ECM coupler (Harness side)
1
1
]
(Gray)
]