Equus 3160 - ABS/SRS + OBD2 Scan Tool - Manual (Page 18)

Onboard Diagnostics
DIAGNOSTIC TROUBLE CODES (DTCs)
16 OBD2
The “Malfunction Indicator Lamp” (MIL) is the accepted term
used to describe the lamp on the dashboard that lights to warn
the driver that an emissions-related fault has been found.
Some manufacturers may still call this lamp a “Check Engine”
or “Service Engine Soon” light.
P 0 2 0 1
B
C
P
U
-
-
-
- Body
Chassis
Powertrain
Network
-
-
-
- Generic
Manufacturer Specific
Generic
Includes both Generic and Manufacturer
Specific Codes 0
1
2
3
Identifies what section of the system
is malfunctioning
Identifies the system where the
problem is located:
1
2
3
4
5
6
7
8
-
-
-
-
-
-
-
-
Fuel and Air Metering
Fuel and Air Metering (injector circuit
malfunction only)
Ignition System or Misfire
Auxiliary Emission Control System
Vehicle Speed Control and Idle Control
System
Computer Output Circuits
Transmission
Transmission
OBD2 DTC EXAMPLE
P0201 - Injector Circuit Malfunction, Cylinder 1