Ecm Lnternal Circuit - Acura Integra 1998 Service Manual

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snan upeeo rlucruauon lunF, Densor lconr q,
The scan tool indicates Diagnostic Trouble Code (DTC) P1359: A problem in the Crankshaft Position,Top Dead
Cenler/Cylinder Position (cKP/TDC/CYP)
sensor circuit.
tPr3ssl
The MIL has been reported on.
DTC P1359 is stored.
Problem verilication:
1. Do the ECM Reset Procedure.
2. Turn the ignition switch to the
START {lll) positaon for 10 sec'
N O T E :
. M/T: Clutch pedal must be
. A/T: Transmission in E or E
Intermittent failure, svstem is
OK. Check for ooor connactions
or loos€ wi.es at C109 {CKP/TDC/
CYP sensorl and ECM.
ls DTC P1359 indicated?
C h e c k f o r p o o r c o n n e c t i o n s o r
l o o s e w i r e s b e t w e e n t h e C K P /
TDC/CYP sensor and the ECM.
Substitute a known-good ECM
and recheck. It symptom/indica-
tion goes away, replace ih6 origi-
nal ECM.
PGM-FI System
Crankshaft Speed Fluctuatio
(CKFI Sensor (cont'd)
ECM lnternal Circuit
\
L
I P1607 Tfre scan tool indicates Diagnostic Trouble Code (DTC) Pl607: An ECM Internal Circuit Failure A.
The MIL has been reported on.
DTC P16O7 is stored.
Problem verification:
1. Do the ECM Reset Procedure.
2. Start the engine.
3. Allow it to idle {or 5 seconds.
Inte.miftent failure, systom L OK
st this iimo.
ls DTC P1607 indicated?
Substitute a known-good ECM
and .echeck. lf symptom/indica-
tion goes away, replace the origi-
n a l E C M .
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