User Manual

en
|
20
|
User guide
| HDS 200/HDS 250
HD Scan Tool for Class 4-8 Diesel, Light and Medium Vehicles
581618 | REV. B | 11.2018
Bosch Automotive Service Solutions Inc.
• Vehicle Information
• Review Data
• Print Data
• System Setup
5.1 Read Codes
The Read Codes function allows the scan tool to read
the DTCs from the vehicle’s control modules. DTCs are
used to help determine the cause of a problem or prob-
lems with a vehicle.
Read Codes can be done with the key on engine off
(KOEO) or with the key on engine running (KOER).
From the Heavy Duty Standard menu:
1. Select Read Codes.
• Use the UP and DOWN keys until Read
Codes is highlighted.
• Press .
Global Automotive OBDII
Read Codes
I/M Monitors
Erase Codes
MIL Status
State OBD Check
View Data
Record Data
View Freeze Data
Drive Cycle Monitor
2. A module menu is displayed.
• Use the UP and DOWN keys until the
designed choice is highlighted.
• The menu is divided into two sections: a J1587
Module section and a J1939 Module section.
• The bottom line displays information for the
highlighted module: Protocol, module address
(Module Identifier=MID and Source Address =
SA) and full module description.
Select Module
J1587 MID: 128 Engine #1
Transmission
Engine #1
J1939 Modules
Engine #1
Transmission #1
J1587 Modules
All Listed Modules
• If All Listed Modules is selected from the Select
Module menu, all of the codes will be displayed
as if all menu items were selected individually.
– If DTCs are present, a message displays
identifying the DTC definition source.
IMPORTANT
Code definitions are defined by SAE
J1587 & J1939. OEM definitions may dif-
fer. Please refer to OEM Service
Manuals for confirmation.
– If no DTCs are present, a message stating
“No codes found” is displayed.
Read Codes
Press ENTER to continue
No codes found
3. View and write down the DTCs.
• Use the UP and DOWN keys to scroll thru
all DTCs.
This screen indicates where the Read Codes information
is located.
DTC Description,
FMI Description
Count: #DTC Type
X/Y
module: #
DTC:#
FMI:#
EraseLamp Status
Module Name
• DTC # - Number of the trouble code found. For
J1587 modules, this will either be SID for Subsys-
tem Identification or PID for Parameter Identifica-
tion. For J1939 modules, this will be SPN for Sus-
pect Parameter Number.
• FMI # - Number of the Failure Mode Identifier.
• X/Y - Indication that code x of y is being viewed
where x is the code being viewed of the total y.
• module: # - Address of module reporting DTC. For
J1587 modules, this will be MID for Module Identi-
fier. For J1939 modules, this will be SA for Source
Address.
• Module Name - description of the module.
• DTC Description - This area is reserved for the text
description of the DTC #. It is either the description
for the SPN, SID or PID depending on the module
selected and the trouble code.
• FMI Description - This is appended to the DTC
description and is the description of the Failure
Mode Indicator.
• DTC Type - This area is reserved for providing addi-
tional information about the DTC. If Active, the DTC
was occurring at the time of scan tool request. If
Inactive, the DTC was not occurring at the time of
the request.
• Count # - This field is optional. This is the number of
occurrences this DTC has been detected.
Examples of Read Codes information screens follow.