Page 176 - Foton Workshop Manual - Tunland (AT)

04-30 DIAGNOSTICS - ANTI-LOCK BRAKING SYSTEM (ABS)

Diagnostic step

NOTICE

• To implement the following steps, ensure that reverse lamp switch is grounded
properly.
• Before conducting electric diagnosis, do refer to the reference circuit diagram
04
and the element information.
• Before conducting measurement, check the pins of connectors for rupture,
looseness and rust, and ensure that the pins are contacted properly.
• If the connection is good, check the sensor signal voltage when moving the
connector and harness. If a fault occurs, the voltage display on the diagnostic
instrument will change.

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 reverse lamp switch ?

Is the inspection result normal?
YES>To step 2.

NO>Intermittent trouble exists.

1 . Check the power supply of combination instrument

(a) disconnect the connector A006 of the ABS
module.

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