Page 147 - Foton Workshop Manual - Tunland (AT)

DIAGNOSTICS - ANTI-LOCK BRAKING SYSTEM (ABS) 04-1

ANTI-LOCK BRAKING SYSTEM (ABS)

PRECAUTIONS
1 . Disconnect the power supply.

(a) Before dismounting or installing any electric apparatus, or when tool or equipment is
susceptible to touch exposed electric pins, be sure to disconnect the negative-pole
04
cable of battery firstly to prevent persons or vehicle from being damaged.
(b) If there is special illustration, ignition switch must be closed.

NOTICE

If the vehicle is equipped with central console lock, don't leave the key inside the
vehicle before disconnecting the negative battery cable, or it may automatically lock
up.

2 . Dismantle instrument or disconnect battery negative may cause daily mileage
and the clock to be reset.
NOTICE

The overall speedometer cannot be reset to zero.
3 . Disconnection the battery negative may cause audio system lose the stored
settings.

NOTICE
When reconnecting the negative cable of the battery, the sound system should be
reset.
4 . Position definition, ignition switch.

Ignition switch (location) Position definition, ignition switch

LOCK Ignition Switch: OFF.
ACC Ignition Switch ACC

ON Ignition Switch: ON.

START （ST） Start the engine.

5 . Troubleshoot precautions of ABS antilock brake system.
(a) When the contact of the stitch or component mounting meet defects, dismantling and
remounting the suspected defect components may make the system recover normal
completely or temporarily.
(b) To determine the failure location, it is required to check the condition of the vehicle
when a failure occurs. For example, conduct checks as per the diagnosis failure code
(DTC) output, and record the conditions before each connector is disconnected or any
part is dismounted and remounted.
(c) Unless otherwise specified in the checking steps, ABS control unit, sensor and actuator
must be dismantled and installed at the time when the ignition switch is closed.
(d) If reassemble ABS control unit, sensor and actuator that have been dismantled and
installed, do remember to check whether the system is normal or not after assembling.
(Observe relevant display of assembly instrument and use special detector to inspect
diagnostic defect code (DTC). ）

Page 147