4E-44 ABS:
DTC “41” (C1641): Wheel Speed Sensor Signal Malfunction (F) (AN400A/ZAK9)
B905H14504009
Troubleshooting
NOTE
After repairing the trouble, clear the DTC using SDS tool. Refer to “DTC (Diagnostic Trouble Code)
Deleting (AN400A/ZAK9)” (Page 4E-25).
Possible Cause
• Poor contact in the front wheel speed sensor coupler
• Faulty front wheel speed sensor, etc.
Step Action Yes No
1 1) Inspect the clearance between the front wheel speed
sensor and sensor rotor using the thickness gauge.
Special tool
(A): 09900–20803 (Thickness gauge)
(B): 09900–20806 (Thickness gauge)
Wheel speed sensor – Sensor rotor clearance
0.36 – 1.62 mm (0.014 – 0.064 in)
Is the clearance OK?
Go to Step 2. Adjust the clearance.
2 1) Inspect the front wheel speed sensor rotor for damage
and check that no foreign objects are caught in the rotor
openings.
Is the sensor rotor OK?
Go to Step 3. Clean or replace the
sensor rotor.
(A), (B)
I905H1240005-02
I718H1450064-01