Page 2544 - Foton Workshop Manual - Sauvana

62-492 DIAGNOSIS-SERVICE BRAKING SYSTEM

(d). The voltage between the left front wheel
speed sensor connector A31 and the
OFF A31
ground connection is detected.
Standard Voltage:( Check whether there is
2 1
1 2 short circuit)
v
Multimeter Standard value
connection pin
fuwx62981
A31(1) -Grounding 0 V
A31(2) -Grounding 0 V

Check if the result is normal?
YES>To step 6.
NO>Repair or replace harness.

6. Check left front wheel speed sensor

(a). Make sure to turn off the ignition switch, and disconnect the battery negative is more
than 90s .
(b). Replace new left front wheel speed sensor .
(c). Connect the vehicle diagnostic instrument, read DTC fault codes in each operating
situation .

Check if the trouble code exists?
YES>To step 8.
NO>Replace new left front wheel speed sensor .

7. DetectESP ECU

(a). Make sure to turn off the ignition switch, and disconnect the battery negative is more
than 90s .
(b). Replace new ESP ECU.
(c). Connect the vehicle diagnostic instrument, read DTC fault codes in each operating
situation

Check if the trouble code exists?
YES>Find reasons from other fault phenomenon. Replace new ESP ECU .
NO>Replace newESP ECU .

Page 2544