Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition

Model: 600 1,8/2,012,3
Year: 1993-99
Engine code: F18A3, F20Z2, F20Z1, H23A3
System: Honda PGM-FI
General information
Refer to the front of this manual for general test conditions,
terminology, detailed descriptions of wiring faults and a
general trouble shooter for electrical and mechanical faults.
U Trouble codes are displayed by the malfunction indicator
lamp (MIL).
3 Switch ignition ON. If MIL illuminates to indicate a fault but no
trouble codes are stored, suspect DLClMlL wiring, MIL or
ECM.
If a trouble code is displayed but not listed in the trouble code
table, suspect engine control module (ECM) fault.
Accessing
Ensure ignition switched OFF.
Bridge data link connector (DLC) terminals m.
Switch ignition ON.
Count MIL flashes. Note trouble codes. Compare with
trouble code table.
NOTE: No trouble codes stored if MIL illuminates continuously.
Trouble codes 1-9 are indicated as follows:
U Individual short flashes display trouble code rn [A].
A short pause separates each flash [B].
n A long pause separates each trouble code rn [C].
o For example: Trouble code 3 displayed rn.
Trouble codes greater than 9 are indicated as follows:
o Long flashes indicate the 'tens' of the trouble code rn [A].
G Short flashes indicate the 'units' of the trouble code rn [C].
A short pause separates each flash rn [B].
A long pause separates each trouble code rn [Dl.
For example: Trouble code 12 displayed rn.
Switch ignition OFF.
Remove bridge wire.
c
A B A B A C A B A B A