Acura 1994 Integra Service Manual page 246

PGM-FI System
TDC/CKP/CYP Sensor
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fi_l
The Malfunction Indicator Lamp (MlL) indicates Diagnostic Trouble Code (DTC) 4: A problem in
t:-
the Crankshaft Position (CKP) Sensor circuir.
l'6]- ftl
- The Malfunction Indicator Lamp (MlL) indicates Diagnostic Trouble Code (DTC) 8: A problem in
-i-
the ToD Dead Center ITDC) Sensor circuit.
-flG]l-
ft-]
The Malfunction Indicator Lamp (MlL) indicates Diagnostic Trouble Code (DTC) 9: A problem in
-
,
-
the Cvlinder Position ICYP) Sensor circuit.
The CKP Sensor determines timing tor fuel injection and ignition of each cylinder and also detects engine speed. The
TDC Sensor determines ignition timing at start-up (cranking) and when crank angle is abnormal. The CYP Sensor detects
the position of No. 1 cylinder tor sequential fudl injection to each cylinder.
-
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-
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t P J : ; L l J : l E l - - ; l ? , :
- Tho MIL hos beon roponod on.
- With rho SCS short connoctor
conneclod lsso pago I l-341,
code 4, 8 and/or 9 ar6 in-
dicated.
Do the ECM Reset procedure (see
p a g e 1 1 - 3 5 ) .
Intohittent failuro, syst€m is OK
at thia tima {t6st drivo may be
noceaSaayr.
Chock for poo. connections or
looss wires at C222 (located at
r i g h t s h o c k t o w e r l , C 1 1 0
(TOC/CKP/CYP Sonsorl and ECM.
ls the MiL on and does it in-
dicate code 4, 8 and/or 9?
Turn the ignition switch OFF.
Disconnect the 8P connector from
the TDC/CKP/CYP sensor.
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