Manual
Honda/Acura
CODE RETRIEVAL PROCEDURE
15 Chapter 3
Honda Code Retrieval Procedures (Cont)
Tool
Model Years Eng. Req? Perform the following:
Accord 86-89 2.0 (F.I. N Procedure: Access ECU (located under
only) front driver’s seat) (H4) by moving seat
all the way back. Turn ignition on and
observe LED on ECU for codes.
Codes: Codes blinked out by LED are
separated by two second pause, then
repeated. For example: 2 blinks - two
second pause - 2 blinks = code 2 (H14)
Accord 90 2.2 N Procedure: Access ECU (located on
Prelude 88-91 2.0, 2.1 passenger side floor board) (H6) by
pulling back the carpet. Turn ignition
on and observe LED on ECU for codes.
Codes: Codes 1 ~ 10 are displayed
using a series of short blinks (H15),
codes 11 & up use a combination of
long and short blinks (H16). The num-
ber of long blinks equals the first digit
and the number of short blinks equals
the second (H17).
Accord 91-95 2.2 (incl. Y Procedure: Access service check con-
V-TEC), nector (located under dashboard on
2.7 (incl. passenger side) (H7). Plug Code Reader
V-TEC) into service check connector and turn
Civic 92-95 1.5, 1.6 ignition on and observe “Check Engine”
Del Sol 94-95 1.5, 1.6 light for codes.
Odyssey 95 2.2, 2.3
Codes: Codes blink out one after the
other. “Check Engine” light will stop
blinking after all codes have been dis-
played. Trouble codes 1 - 10 are dis-
played using a series of short blinks
(H15); codes 11 & up use a combina-
tion of long and short blinks (H16).
The number of long blinks equals the
first digit and the number of short
blinks indicates the second (H17).
Civic/ 87-91 1.5, 1.6 N Procedure: Access ECU (located on
CRX passenger side floor board) (H6) by
pulling back the carpet. Turn ignition
on and observe LED on ECU for codes.
Codes: Codes blinked out by LED are
separated by two second pause, then
repeated. For example: 2 blinks - two
second pause - 2 blinks = code 2 (H14).