DTC “55” (C1655): ABS CONTROL UNIT MALFUNCTION
Step 1
1) Inspect the clearances of the front and rear wheel speed sen-
sor – sensor rotor using the thickness gauge.
$ Wheel speed sensor – sensor rotor clearance:
0.3 – 1.5 mm (0.012 – 0.059 in)
# 09900-20803: Thickness gauge
09900-20806: Thickness gauge
Are the clearances OK?
Step 2
1) Inspect both of the wheel speed sensor rotors for damage
and check that no foreign objects are caught in the rotor
openings.
Are the rotors OK?
Step 3
1) Check that the front and rear wheel speed sensors are
mounted steadily.
Are the sensors mounted steadily?
Step 4
1) Delete DTCs (!Page 91) and repeat the code output pro-
cedure.
If the DTC “55” (C1655) is output again, the ABS control unit/
HU should be replaced.
POSSIBLE CAUSE
Faulty ABS control unit
YES Go to step 2.
NO Adjust the clearance.
YES Go to step 3.
NO Clean or replace the rotor.
YES Go to step 4.
NO
Tighten the mounting bolts or replace the bracket
if necessary.
DL650K7/AK7 (’07-MODEL) 13-117
PartShark.com
877-999-5686
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