278
Whether the sensor is installed
correctly
Check the sensor Output Volt-
age at the ABS ECU25 pin
connector
Check each sensor
Check each sensor ring
gear
Check the wheel bearing
clearance
Check the wire harness be-
tween the sensor and the
ABS ECU
No
Install it correctly
Replace the ABS ECU
Abn.
Abn.
Abn.
Abn.
Yes
Normal
Normal
Normal
Normal
Replace
Replace
Replace or Repair
3 DTC 00283, 00285, 00287, 00290 Likely Causes
[Description]
When the vehicle speed exceeds
20km/h, if the sensor signal goes beyond the
tolerance range, this DTC is set.
[Hint]
The weak signal may result from the
poor connection or short circuit of the sensor
coil or wire harness, damaged ring gear or
excessively big clearance between the sensor
and the ring gear.
 The intermittent poor connection or short circuit of
the sensor coil or wire harness
 Excessively big or small clearance between the
sensor and the ring gear
 Damaged ring gear
 Excessively big bearing clearance
 ABS ECU failure