Page 202 - Foton Workshop Manual - Tunland (AT)

04-56 DIAGNOSTICS - ANTI-LOCK BRAKING SYSTEM (ABS)

1 . DTC inspection
(a) Ignition switch: OFF.
(b) Connect the diagnostic apparatus.
(c) Use the diagnostic apparatus, read the fault code.
(d) Confirm whether there is a fault code related to Engine management system CAN
04 fault?
Is the inspection result normal?

YES>To step 2.
NO>Intermittent trouble exists.

2 . Check ABS/ESP_CAN communication circuit
(a) Ignition switch: OFF.
(b) Disconnect the battery negative cable.
(c) Disconnect connector A006 of ABS/ESP.
(d) Connect the battery negative cable.
(e) Ignition switch: ON.

(f) Use a multimeter to measure the voltage
between the pin 14, 26 of ABS/ESP connector
A006 and the ground.

A006 Standard voltage
13 12 11 10 9 8 7 6 5 4 3 2 1 Connection of
24 23 22 21 20 19 18 17 16 15 14 Standard value
38 37 36 35 34 33 32 31 30 29 28 27 26 25 the multimeter

14 26 A006（14）-ground 0V～2.5V
A006（26）-ground 2.5V～5V

ftwxd041451

Is the inspection result normal?

YES>To step 3.
NO> Repair or replace harness or connector.

3 . Check ABS/ESP_CAN communication harness
(a) Ignition switch: OFF.
(b) Disconnect the battery negative cable.
(c) Disconnect connector A006 of ABS/ESP.

Page 202