Honda S2000 Service Manual page 300

PGM-FISystem
DTC Troubleshooting {cont'd)
7 . Reconnect CMP {TDC) sensor A and CMP (TDC)
sensor B * 2P connectors.
Disconnect ECI\4 connector C (31P).
lvleasure resistance between ECM connector
t e r m i n a l s C 2 0 a n d C 2 1 ( C 2 9 a n d C 3 0 ) * .
ECM CONNECTOR C I31P}
o
TDC 1P
IGRN)
\9
1 2 4 5 1
i
1 0
1 l
12
13
t 4
15 16 1 7 1 8 20 21 22
24
25 26 21 2A
30
TDC 2P
(YELI'
,^\
TDC 1M
(REDI
Wire side of female terminals
ls thete 1,850- 2,450 Q ?
YES Go to step 10.
NO Repair open or short in the faulty sensor
w i r e { s ) . 1
d ,
9 .
TDC 2M
{BLKIA
11-72
'10.
Check for continuity between body ground and
ECM connector teminal C20 (C29) * .
ECM CONNECTOR C (31P)
Wire side o{ female terminals
ls therc continuity?
YES - Repair short to body ground in the faulty
sensor wire(s).1
NO Substitute a known-good ECM and recheck
(see page 11-5). lf the symptom/indication goes
away, replace the original ECM.I
TDC lP IGRNI