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4.24
FUEL INJECTION
EFI DIAGNOSTICS USING ‘BLINK
CODES’
Blink Codes - Operation
To enable the blink codes, turn the ignition from “OFF” to
“ON” 3 times, leaving it 'on' the 3rd time, within 5 seconds.
Any “blink codes” that are stored in the ECM will display, one
at a time, in numerical order. The word ‘WAIT’ will appear on
the LCD display and the Malfunction Indicator Light (MIL) or
Check Engine light will begin to flash. Read and record the
number of flashes of the MIL light. A code ‘12’ indicates the
beginning of the diagnostic sequence. A code ‘61’ will flash
after all codes have been transmitted.
NOTE: To clear codes manually, disconnect the
positive battery lead for 20 seconds.
ON
Malfunction Indicator Light (MIL) Diagnostic Example
Sequence Begin
Trouble Code
Trouble Code
Trouble Code
Sequence End