Page 41 - Foton Workshop Manual - Auman EST-M

Introduction - How to remove the vehicle faults IN - 35

How to remove the vehicle faults IN
Overview

This vehicle adopts many circuits. Generally speaking, the repairmen shall have abundant knowledge and DI
skills to remove the complex circuit faults. However, most of faults can be correctly diagnosed and repaired
by checking each circuit only only if repairmen have a sufficient understanding of each system and basic
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circuit knowledge, thus these faults can be remedied.
This manual shall be prepared on the basis of above principle, so as to provide the correct and effective fault
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solution for repairmen. For the fault remedy procedures, please see the detailed description below.
System Reference
AX
Chapter DI Diagnosis-Diagnosis of Electronic and Electric
ABS system failure Faults-Diagnosis of Body Electric Control Faults-Faults of
ABS System FR
Chapter DI Diagnosis-Diagnosis of Electronic and Electric
Lighting system Faults-Diagnosis of Body Electric Control Faults-Faults of
ST
Lighting system
Chapter DI Diagnosis-Diagnosis of Electronic and Electric
BR
Audio system Faults-Diagnosis of Body Electric Control Faults-Faults of
Audio system
BW
Chapter DI Diagnosis-Diagnosis of Electronic and Electric
Wiper and washer Faults-Diagnosis of Body Electric Control Faults-Faults of
Wiper and washer EL

Chapter DI Diagnosis-Diagnosis of Electronic and Electric
Combination instrument Faults-Diagnosis of Body Electric Control Faults-Faults of
Combination instrument
Chapter DI Diagnosis-Diagnosis of Electronic and Electric
Horn Faults-Diagnosis of Body Electric Control Faults-Faults of
Horn
Chapter DI Diagnosis-Diagnosis of Electronic and Electric
Cigar lighter Faults-Diagnosis of Body Electric Control Faults-Faults of
Cigar lighter
Operation of diagnostic unit
1. Before using the diagnostic unit, be sure to read its operating instructions carefully.
2. Connect the diagnostic unit to its diagnostic harness connector, and turn the ignition switch to ON. If
the diagnostic unit can’t communicate with the control module, it indicates that the vehicle or
diagnostic unit may be faulty.

a. If it’s normal in case of connecting this diagnostic unit to another vehicle, check the diagnostic harness of
instrument panel or power circuit of control module.
b. If the communication can’t be built after connecting this diagnostic unit to another vehicle, it indicates that
the diagnostic unit itself may be faulty. Please operate as per the self-diagnosis procedures described in the
operating instructions of diagnostic unit.
How to remedy the faults
Caution

● The most basic operating procedures are briefly listed here.

IN-035