Suzuki VZR1800 2007 Service Manual page 240

7) Disconnect the ECM coupler. (#5-37)
8) Check the continuity between Red wires A (#1 and #2) and
terminal A.
9) Also, check the continuity between P/B wire B and terminal
9, and G/B wire B and terminal P.
"
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 1 (#5-34) and go to Step 2.
Red wire and P/B or G/B wire open, or P/B and
NO
G/B wire shorted to ground
10)After repairing the trouble, clear the DTC using SDS tool.
(#5-26)
FI SYSTEM DIAGNOSIS
1
(Black)
ECM coupler (Harness side)
5-39
]
(Gray)