Acura Integra 1998 Service Manual page 477

Electrical Troubleshooting
Troubleshooting Flowchart - Throttle Position ITP} Sensor
Po3Cblc C!us.
. Dirc.nn.c.t d throttlo pothion
lTPl ranaor connac'tor
. Shon of opan in TP aanror wiro
. Faulty TP ianror
TCM CONNECTORS
WIRE SII'E OF FEMAI.I TERMI'TALS
' OBD ll Sc.n Tool indlclto3 Codc
P1790.
. Soll-di.gnosi. E
indic.tol
lighi blinks tht.e tim*,
Check tor Anoth.r Code or MIL
Blinking:
1. Turn the ignition switch oN (ll).
2 . C h e c k w h e t h e r r h e O B D l l
scan tool indicatss another
code or the Malfunction lndi-
cator Lamp (MlL) blinks (seo
soction l1).
Ooes the OBD ll scan tool indi-
cate the anothor code or is the
MIL blinking?
Morrur. VBEF Vohag.:
1. Turn the ignition switch OFF.
2 . D i s c o n n e c t t h e A ( 2 6 P ) a n d
B (22P) connectors trom the
TCM.
3. Turn the ignition switch ON (ll).
4. Measure the voltage b6twson
the 820 and A13 or 426 termi-
nats.
RcpaiJ opon or thort in tha wlJa
b.tt r..n lho 840 t rlnlnal md lh.
ECM.
ls there approx. 5 V?
Mer3uro TPs vohrg.:
Measure th€ voltage between th6
84 and A13 or A26 terminals.
Rapair opon oa rhoat in thr wlra
b.tw.cn th. B4 t.rmln.l .nd th.
TP aansor.
ls there 0.4 - 0.6 V?
Ch.ck lor loosa TcM connactorr.
ll nocassary, rubditut.
r known-
good TCM and r.chock.
t26Pl
U
\./
\"/
1 4 - 6 0
.d
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