Page 170 - Foton Workshop Manual - Auman EST-M

DI - 116 Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts

DTC flash code DTC definition DTC check condition Failed part
● Ignition switch: ON
● The scale of tyre gear ring ● Check the tyre model and
Left front tire is not suitable does not meet the the number of teeth of the
requirement of WABCO gear ring
company
● Ignition switch: ON
Left front wheel speed sensor ● Mismatch the sensor input ● Sensor wiring error
harness is mismatched and output, or mismatch ● Sensor
other wire harness.
● Sensor installation
5+2 Abnormal speed of left ● Ignition switch: ON incorrect
front wheel speed sensor ● The frame vibrates and is ● Sensor gear ring error
(vibration) not stable when braking or worn
● ABS ECU
● Check the harness and
connection of sensor
The signal frequency of left ● Ignition switch: ON ● Check if the sensor
front wheel speed sensor is ● Detected sensor signal vibrates when braking. If no
too high abnormal vibration at braking
repeatedly, replace the sensor
or ECU
● Ignition switch: ON
Right rear wheel speed sensor ● Mismatch the sensor input ● Sensor wiring error
harness is mismatched and output, or mismatch ● Sensor
other wire harness.
● Ignition switch: ON
● The scale of tyre gear ring ● Check the tyre model and
Right rear tire is not suitable does not meet the the number of teeth of the
5+3
requirement of WABCO gear ring
company
● Sensor installation
Abnormal speed of right ● Ignition switch: ON incorrect
rear wheel speed sensor ● The frame vibrates and is ● Sensor gear ring error
(vibration) not stable when braking or worn
● ABS ECU
● Check the harness and
connection of sensor
The signal frequency of right ● Check if the sensor
Detected sensor signal
5+3 rear wheel speed sensor is too vibrates when braking. If no
abnormal
high vibration at braking
repeatedly, replace the sensor
or ECU

DI-116