key GEELY CK 2008 User Guide
Page 283 of 392
276Section 2 ABS System CheckI. DTC Problem Inspection TableNote: If the Battery is excessively discharged, the motor will not be driven, therefore you must
check that the battery voltage is normal before performing the motor driving test. The vehicle
must be stationary during the test. 1 DTC 01276 Like ly Causes
[De s cription]
When the vehicle speed exceeds
20km/h, A BS EC U de te c ts tha t the motor c a n not
ope ra te normally and re c ord this D TC.
[Hint]
Whe n this proble m oc c urs, one of the
possible causes is that the wire harness between
the motor and the ECU is disconnected. Use the
sc a n me te r to pe rform the te st by a c tiva ting the
H CU func tion to drive the motor. z P ow e r supply is disc onnec ted or grounde d z Motor w ire ha rne ss is disc onnec te d z Motor is da ma ge dRemove the motor wire harness connector, connect
it to the Battery to see whether the motor operates?Check the fuse and ABS ECU connectorConnect the motor wire harness connectorTurn the
ignition switch to ONClear the DTC Use the scan
meter to Perform the HCU diagnosistor
Turn the ignition switch to ONDoes the fault reoccur?Refer to “Occasional Problem Service Key Point” Normal
Normal
NoAbn.
Abn.
Ye sReplace the HCU
Replace the fuse or wire harness
Replace the ECU
Page 286 of 392
279 4 DTC 00283, 00285,00287, 00290 Like ly Cause s
[De s cription]
When there is recognized open
or short circuit in the sensor, this DTC is set.
[Hint]
The likely c ause ma y be the poor
c onne ction of the sensor, short circ uit in the coil
or wire ha rne ss, or fault in the se nsor signa l
proce ssing c irc uit in the ABS ECU z Ope n c irc uit in the se nsor c onne ctor or coil
z Short circuit in the sensor coil
z The se nsor c onne ctor or wire harne ss is short to
ground or powe r supply
z Fault in the sensor signal processing circuit in the
ABS ECURepair the connectorCheck the sensor on each wheelRemove the ABS ECU connector, check
whether the resistances among the following
terminals is within the specification?
Standard:
1.0~1.3K
LF: 1-2K
RF: 19-20K
LR: 5-6K
RR: 22-23K Check the corresponding sensor connectorDoes the fault reoccur?Check the wire harness between the ECU and
the sensor Refer to "Occasional Prob-
lem Service Key Points"Replace the ABS ECU
Abn.
Abn. Normal
Normal
Normal
Ye s Normal Ω,
Ω,
Ω,
Ω,
Ω,