Geely CK Series 2007 Workshop Manual page 288

6 DTC 00668
[Description]
When power supply terminal 30
does not supply the voltage or the voltage is too
high, this DTC is set.
Check the ABS system 50A fuse
Ok
Disconnect the ABS wire harness from the
ECU, turn the ignition switch to ON, mea-
sure the voltage among the following termi-
nals of the ABS wire harness
Terminal 8 and 9 9.5-16.5V
Terminal 24 and 25 9.5 - 16.5V
Terminal 8 and 4 9.5 -16.5V
Abn.
Check the ABS wire harness connector
Ok
Retest. Abn. again?
Yes
Check the Battery voltage
Likely Causes
ABS system fuse is broken
Battery Voltage too low or high
ABS wire harness connector is damaged
ABS ECU is damage
Abn.
Replace the fuse
Ok
Replace the ABS ECU
Abn.
Repair the connector
No
Refer to "Occasional Problem
Service Key Points"
d
281