VL1500K5 (’05-MODEL) 79
Step 1 (When indicating P1654-L:)
1) Remove the air cleaner box. (
!
Page 103)
2) Turn the ignition switch OFF.
3) Check the STP sensor coupler for loose or poor contacts.
If OK, then check the STP sensor lead wire continuity.
4) Disconnect the TO sensor coupler.
5) Check the continuity between Y/W wire
B
and ground.
6) Also, check the continuity between Y/W wire
B
and B/Br wire
C
. If the sound is not heard from the tester, the circuit condi-
tion is OK.
7) Remove the left frame upper cover (
!
VL1500 Service
Manual 6-3) and disconnect the ECM coupler.
8) Check the continuity between Y/W wire
B
and terminal
4
.
9) Also, check the continuity between Red wire
A
and terminal
6
.
"
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?
10)After repairing the trouble, clear the DTC using SDS tool.
(
!
Page 42)
1
1
!
YES
Go to Step 1 (
!
Page 77) and Go to Step 2.
NO
Red or Y/W wire open, or Y/W wire shorted to
ground.
1
!
ECM coupler (Harness side)
SA
MP
LE