Engine check, Viewing trouble codes, 6 engine check – PLX Devices DM-200 OBDII User Manual

Page 19: 1 viewing trouble codes, P0171

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Users Guide: iMFD User Guide

Version 1.0 Jan 1, 2008

www.plxdevices.com

(408)745-7591

19


Page5:

Sensor Standard

Units

Metric

Units

Catalytic Converter Bank 1 Sensor 1

Fahrenheit

Celsius

Catalytic Converter Bank 2 Sensor 1

Fahrenheit

Celsius

Catalytic Converter Bank 1 Sensor 2

Fahrenheit

Celsius

Catalytic Converter Bank 2 Sensor 2

Fahrenheit

Celsius

ECU Voltage

Volts

Volts

Absolute Engine Load

%

%

6 Engine Check

6.1 Viewing Trouble Codes

This mode views your trouble codes. A typical trouble code looks like the following

P0171


First Character – System
The first character identifies the system related to the trouble code.

P = Powertrain
B = Body
C = Chassis
U = Undefined

Second Digit - Code Type
The second digit identifies whether the code is a generic code (same on all OBD-II equipped vehicles), or a manufacturer specific
code.

0 = Generic (this is the digit zero -- not the letter "O")
1 = Enhanced (manufacturer specific)

Third Digit - Sub-System
The third digit denotes the type of sub-system that pertains to the code

1 = Emission Management (Fuel or Air)
2 = Injector Circuit (Fuel or Air)
3 = Ignition or Misfire
4 = Emission Control
5 = Vehicle Speed & Idle Control
6 = Computer & Output Circuit
7 = Transmission
8 = Transmission
9 = SAE Reserved
0 = SAE Reserved

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