Page 28 - Foton Workshop Manual - Sauvana

01-22 INTRODUCTION - HOW TO TROUBLESHOOT THE VEHICLE

FAULT SYMPTOM CONFIRMATION AND DTC (AND DATA FLOW)

DETECTION

NOTICE:
The diagnostic system has many functions.
1. The first function is diagnostic trouble code (DTC) detection The fault signal of
control module circuit will be saved in the memory of control module in the form of
code. The maintenance personnel can check previous DTC when operates.
2. Another function is input signal detection. Check whether each signal from switch
has accurately been sent to control module. Utilizing these functions can help to
rapidly reduce the range of troubleshooting and improve maintenance efficiency.

Detect Signal
System Symptom
system trouble detection streaming
description diagnosis
code(DTC) (sensor)
ABS anti-lock - ● ● ● ●
Brake system

Engine control
● ● ● ● ●
system
Body control
● ● ● ● ●
system

SRS
Supplemental - - - - ●
restraint
system
Reversing - - - - ●
radar system

Power window - - - - ●
control system
Power rearview - - - - ●
mirrors

Power door
lock control - - - - ●
system
Wiper and - - - - ●
washer

Rear window
defroster - - - - ●
system
Horn - - - - ●

Heater and air - - - - ●
conditioning

Page 28