Suzuki Intruder VZR1800, Service Manual

Page: 231 / 586

FI SYSTEM DIAGNOSIS 5-37
Step 1
(When indicating P1750-H for IAP sensor #2)
(When indicating P0105-H 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 Red wire
A
and P/B (#2
1
) or
G/B (#1
2
) wire
B
.
If the sound is not heard from the tester, the circuit condition
is OK.
6) Remove the left frame lower side cover. (
#
3-6)
7) Remove the ECM bracket and disconnect the ECM coupler.
1
1
]
1