S4 Sedan L5-2226cc 2.22L DOHC Turbo (AAN) (1992)
Cellular Phone: All Technical Service Bulletins
Electronic Serial Number Checking
ELECTRONIC SERIAL NUMBER (ESN), CHECKING (DIAG COMMAND 38 #)
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insert test connector US 30844 -arrow- in line between power cord (25-pin connector) -1- and transceiver -2-
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switch ignition ON
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switch phone ON by pressing "Pwr" button on handset
^
handset readout displays two alternating sets of numbers
Note:
This procedure can also be performed with the ignition switch OFF. However, when the phone is switched ON, the display may show "Loc'd". To
proceed, press the " # " key to enter the Test Mode directly
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press " # " key to enter test mode
^
handset readout displays "US" with an apostrophe ( ' ) in the upper right hand corner
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enter diagnostic command 38 # by pressing keys 3, 8, and #
^
electronic serial number identification begins, first display is shown ("00 82") or ("00 C3")