Topdon AL500B Manuel De L'utilisateur page 43

SECTION 6 DTC LOOKUP
DTC LOOKUP is a function that can provide you with
definitions of DTCs after inputting the codes. To understand
the DTCs, see figure 6.1.1.
P0201 - Injector Circuit Malfunction, Cylinder 1
B - Body
C - Chassis
P - Powertrain
U - Network
0 - Generic
1 - Manufacturer Specific
2 - Generic ("P" Codes) and Manufacturer
Specific ("B", "C" and "U" Codes)
3 - Includes both Generic and
ManufacturerSpecific Codes
Identifies the system where the problem is
located. "P" Code systems are listed below."B", "C"
and "U" Code systems will vary.
0 - Fuel and Air Metering; Auxiliary Emission
Controls
1 - Fuel and Air Metering
2 - Fuel and Air Metering (injector circuit
malfunction only)
3 - Ignition System or Misfire
4 - Auxiliary Emission Control System
5 - Vehicle Speed Control and Idle Control
System
6 - Computer Output Circuits
7 - Transmission
8 - Transmission
9 - Transmission
A - Hybrid Propulsion
B - Hybrid Propulsion
C - Hybrid Propulsion
Identifies what section of the system is
malfunctioning
OBD2 DTC EXAMPLE
Figure 6.1.1
EN | 43
P 0 2 0 1