GSF1200AK6/SAK6 (’06-MODEL) 57
DTC “43” (C1643): Wheel speed sensor circuit short (F)
Step 1
1) Turn the ignition switch to OFF.
2) Remove the left frame cover. (!GSF1200K6/SK6 9D-5)
3) Remove the fuse box mounting bolt. (!Page 28)
4) Check the ABS control unit coupler for loose or poor con-
tacts. If OK, then disconnect the ABS control unit coupler.
5) Check for continuity between
3 (W/R) and
B (B/R) at the
coupler.
" 09900-25008: Multi-circuit tester set
( Tester knob indication: Continuity ())
Is there continuity between
3 and
B?
Step 2
1) Check for continuity between
2 (B/Y) and
3 (W/R) at the
coupler.
( Tester knob indication: Continuity ())
Is there continuity between
2 and
3?
Step 3
1) Turn the ignition switch to ON with the ABS control unit cou-
pler disconnected, measure the voltage between
3 (W/R)
and
N (B/W) at the coupler.
% Normal value: 0 V
& Tester knob indication: Voltage (')
Is the voltage between
3 and
N normal value?
POSSIBLE CAUSE
• Poor contact on the front wheel speed sensor coupler
• Faulty front wheel speed sensor, etc.
YES
Inspect the wire harness. (Faulty sensor wire)
Faulty front wheel speed sensor
NO Go to step 2.
YES
Inspect the wire harness. (Faulty sensor wire)
Faulty wheel speed sensor
NO Go to step 3.
ABS control unit coupler (Harness end)
ABS control unit coupler (Harness end)
YES Replace the ABS control unit/HU.
NO
Inspect the wire harness. (Faulty sensor signal or
power supply wire)
ABS control unit coupler (Harness end)
SAMPLE
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