42
Read Codes / Clear Codes (Flash Codes)
ABS / Air Bag 2004 User Guide
Read Codes / Clear Codes
(Flash Codes)
If a vehicle requires that you read diagnostic trouble
codes by visually viewing them as “flash codes,” the
Read Codes and Clear Codes menu options appear
directly on the Diagnostic Menu screen (instead of the
Diagnostic Codes option).
For this type of vehicle, you identify the vehicle’s “flash
code” numbers and manually enter the numbers into
the NGIS tool to see their descriptions. The Read
Codes function provides instructions for how to physi-
cally view the flash codes and lets you enter the code
numbers to see their descriptions. The Clear Codes
function provides instructions for how to manually clear
flash codes from the vehicle.
Note:
Flash codes are DTCs that you identify by: 1) ground-
ing a pin on the vehicle’s check connector to trigger a specific
indictor light to blink, and 2) viewing and counting the number
of times the indicator light blinks.
This section includes the following procedures:
•
“
Read Codes (Flash Codes)
” (in the next column)
•
“
Clear Codes (Flash Codes)
” on
page 44
Read Codes (Flash Codes)
When the Read Codes option appears on the Diagnos-
tic Menu screen, use the option to: 1) view instructions
for how to physically view flash codes from the vehicle,
and 2) to enter the flash code numbers into the NGIS
tool to see their descriptions.
To read flash codes, follow these steps:
Figure 5.29: Diagnostic Menu Screen
1
From the Diagnostic Menu screen, select
Read Codes
and press the
ENTER
key. This displays the Connector
Location screen.
Note:
The Connector Location screen is not available for
all vehicles. If this screen does not appear, go to Step 4.
Figure 5.30: Connector Location Screen
2
View the information and print it, if necessary. For printing
information, refer to “
” on
page 26
.
3
Press the
ENTER
key. This displays the DTC Retrieval
Procedure screen.
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