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Troubleshooting
OURGP12,00001EA –19–27JUL06–1/2
Blink Code Method for Retrieving Diagnostic
Trouble Codes (Early VP44 Pump Engines
Only)
RG11754A –UN–13JUL01
Diagnostic Blink Code Connector
A—Diagnostic Blink Code Connector
B—Diagnostic Connector
C—ECU
On OEM applications that have a Fault Lamp, the ECU
has the ability to display Diagnostic Trouble Codes
(DTCs) using blinking sequence of the fault lamp. To
retrieve DTCs from the ECU using the “blink code”
method:
NOTE: The ECU blinks the codes in 2-digit codes only.
See LISTING OF DIAGNOSTIC TROUBLE
CODES (DTCS) later in this Group.
1. Locate and uncap the 4–way METRI-PACK
diagnostic blink code connector (A).
2. Using a short piece of wire, jump terminals A and B in
the diagnostic blink code connector together.
3. Turn the ignition switch “ON”.
4. The Fault Lamp will begin to flash a code number. For
example, flash three times...short pause...flash two
times...long pause. This example is code 32.
5. The ECU begins the flashing sequence by flashing a
code 32, this indicates the start of blinking active
codes. If there are any active DTCs, the ECU will flash
it’s 2–digit number. If there is more than one active
DTC, the ECU will flash each code in numerical order.
If there are no active DTCs, the Fault Lamp will flash a
code 88.
6. Following the active codes, the Fault Lamp will flash a
code 33, this indicates the start of blinking stored
codes. If there are any stored DTCs, the Fault Lamp
will flash its 2–digit number. If there is more than one
stored DTC, the ECU will flash each code in numerical
order. If there are no stored DTCs, the Fault Lamp will
flash a code 88.
7. Once complete, this sequence will repeat.
METRI-PACK is a trademark of Packard Electric Inc.
45-18
080706
PN=212
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