Page 171 - Foton Workshop Manual - Auman EST-M
P. 171
Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts DI - 117
DTC flash code DTC definition DTC check condition Failed part IN
● Ignition switch: ON
● The scale of tyre gear ring ● Check the tyre model and DI
Left rear wheel speed sensor
does not meet the the number of teeth of the
harness is mismatched
requirement of WABCO gear ring
EG
company
● Ignition switch: ON
Abnormal speed of left TR
● Mismatch the sensor input ● Sensor wiring error
5+4 rear wheel speed sensor
and output, or mismatch ● Sensor
(vibration)
other wire harness. AX
● Sensor installation
The signal frequency of left ● Ignition switch: ON incorrect FR
rear wheel speed sensor is too ● The frame vibrates and is ● Sensor gear ring error
high not stable when braking or worn
ST
● ABS ECU
● Check the harness and
BR
connection of sensor
The signal frequency of left ● Ignition switch: ON ● Check if the sensor
5+5 rear wheel speed sensor is too ● Detected sensor signal vibrates when braking. If no BW
high abnormal vibration at braking
repeatedly, replace the sensor
EL
or ECU
● Use a WABCO gear ring
tester to check if it is
● Ignition switch: ON
The ring gear of right damaged or misses any teeth
● When the wheel speed is
6+1 front wheel speed sensor is ● Adjust the clearance of
higher than 10km/h, cannot
not correct sensor and gear ring if there
detect the wheel signal
are too much clearances at
the same time
● Use a WABCO gear ring
tester to check if it is
● Ignition switch: ON
The ring gear of left damaged or misses any teeth
● When the wheel speed is
6+2 front wheel speed sensor is ● Adjust the clearance of
higher than 10km/h, cannot
not correct sensor and gear ring if there
detect the wheel signal
are too much clearances at
the same time
● Use a WABCO gear ring
tester to check if it is
● Ignition switch: ON
The ring gear of right damaged or misses any teeth
● When the wheel speed is
6+3 rear wheel speed sensor is not ● Adjust the clearance of
higher than 10km/h, cannot
correct sensor and gear ring if there
detect the wheel signal
are too much clearances at
the same time
DI-117