Troubleshooting Procedures - Honda Prelude 1993 Service Manual

Troubleshooting Procedures
When the TCM senses an abnormslity in the input or output systems, th€ | D4 lindicator light in the gsuge asseEUlLwill blink.
Wh€n the Service Check Connector (located behind the center console) is-E6nnectod with I jumper wire, the I Da lindicator
light will blink the Diagnostic Trouble Code (DTC) when the ignition switch is turned on'
When the I D;l indicator light has been reported on, connect the two terminals of the Service Check Connector together whh a
iumper wire,
Thon turn on the ignition switch and observe thel Da lindicator light.
DATA LI'{K
coNiEcToR t3Pt
cAUTlOir:
Do not attadr tha
lumper wlre,
JUiIPER
3'S,Y,!"3reJl'ii['
Codes 1 throuqh 9 are indicated by individual short blinks, codes 10 throught 15 8re indicated by a sories of long and short blinks.
On€ long blink equals 10 short blinks. Add the long and short blinks together to determine the code. After dstermining the code,
refer to the electrical system Symptom-to-Component Chart on pages 1+36 8nd 37.
rhort
n
S.. DTC I
Soo DTC 2
s.. DTC '14
L]
rhort
Some PGM-FI problems will also make the I D4 lindicator light com€ on. After repairing the PGM-FI syatem, disconnect th€
CLOCK RADIO fuse (1OA) in th6 under-hood tuse/relav box for more thsn 1O seconds to reset the TCM memory.
NOTE;
. PGM-Fl system
The PGM-Flsystsm on this modelis I sequenti8l muhipon tuel iniection system.
. Disconnecting the CLOCK RADIO fuse also cancels the radio antFthett code, preset stations 8nd the clock setting. Get the
custom€r's code numbe. and make note oJ the radio presets before removing the Juse so you can .eset th€m.
GAUOE ASSEMELY
14-34