Honda S2000 Service Manual page 312

PGM-FI System
MIL Circuit Troubleshooting (cont'dl
24. Turn the ignition switch OFF.
25. Disconnect ECM connector A (32P).
26. Check for continuity between body ground and
Data Link Connector (DLC) (16P) terminal No. 15.
DATA LINK CONNECTOR (DLCI Il6PI
Wire side of femaleterminals
ls there continuity?
YES Repair short in the wire between the DLC and
t h e E c M ( A 2 1 ) . t
NO Go to step 27.
11-84
27.
28.
Turn the ignition switch ON (ll).
Measure voltage between ECM connector terminal
4 1 0 a n d b o d y g r o u n d .
ECM CONNECTOR A I32PI
scs {BRNt
l
z
3
6
9 10
12 1 3 t6 1T t6 1 9
m
21 24
25 26 ?
B 29 32
Wire side ot temale terminals
ls there about 5 V?
YES Go to step 29.
NO - Repair short in the wire between the DLC and
t h e E c M ( A 1 0 ) . 1
29. Turn the ignition switch OFF.
30. Disconnect ECM connector A {32P).
31. Reconnect the negative cable to the battery.
3 2 , T u r n t h e i g n i t i o n s w i t c h O N ( l l ) .
ls the MIL on?
YES Repair short in the wire between the gauge
a s s e m b l y a n d t h e E C M ( A 1 8 ) . f
NO Substitute a known-good ECM and recheck
(see page 11-5). lf the symptom/indication goes
away, replace the original ECM.I