Acura 1994 Integra Service Manual page 227

Troubleshooting
Self-diagnostic Procedures (cont'dl
' : 8 1 8 C 1 e n g i n e
a lf codes other than those listed above are indicated, verifv the code. lf the code indicated is not listed above, replace
rhe ECM.
a The MIL may come on, indicating a system problem when, in fact, there is a poor or intermittent electricalconnection.
First, check the electrical connections, clean or repair connections it necessary.
o The MIL and @ indicator light may light simultaneously when the Diagnostic Trouble Code (DTC) 6, 7 or 17. Check
the PGM-Fl system according to the PGM-Fl system troubleshooting, then recheck the l!! indicator light. ll it lights,
s e e p a g e 1 4 - 5 O , 5 1 .
a The MIL does not come on when there is a malfunction in the A/T Fl signal or Electrical Load Detector (ELDI circuits.
However, it will indicate the codes when the Service Check Connector is shorted.
DIAGNOSTIC
TROUBLE
CODE (DTCI
SYSTEM INDICATED Psge
o
E N G I N E C O N T R O L M O D U L E I E C M ) 11-42
,l
H E A T E D O X Y G E N S E N S O R I H O 2 5 ) 1 1 - 4 6
a
MANIFOLD ABSOLUTE PRESSURE {MAP SENSOR)
11-52
4
CRANKSHAFT POSITION (CKP SENSOR)
1 1 - 5 6
o
ENGINE COOLANT TEMPERATURE
(ECT SENSOR)
1 1 - 5 8
THROTTLE POSITION (TP SENSOR} 1 1 - 6 0
I
TOP DEAD CENTER POSITION (TDC SENSORI
1 1 - 5 6
9
No. 1 CYLINDER POSITION (CYP SENSOR)
1 1 - 5 6
1 0 INTAKE AIR TEMPERATURE (IAT SENSOR) 11-62
1 3 BAROMETRIC PRESSURE
(BARO SENSOR}
1 | - 6 4
1 4
IDLE AIR CONTROL (IAC VALVE}
11-42
t c
IGNITION OUTPUT SIGNAL 1 1 - 6 6
t o
FUEL INJECTOR 1't-102
1 7 VEHICLE SPEED SENSOR {VSSI
1 1 - 6 8
20
ELECTRICAT LOAD DETECTOR (ELD)
't 1-70
21
VARIABLE VALVE TIMING & VALVE LIFT ELECTRONIC CONTROL SOLENOID
VALVE {VTEC SOLENOID VALVE)'
6-36
2 2
VARIABLE VALVE TIMING & VALVE LIFT ELECTRONIC CONTROL PRESSURE
SWITCH (VTEC PRESSURE SWITCHI-
6-38
2 3
K N O C K S E N S O R { K S } - 1 1 - 7 4
30
A/T FI SIGNAL A
1 1 - 7 6
3'r
A/T FI SIGNAL B
1 1 - 7 6
4'l
HEATED OXYGEN SENSOR (HO25} HEATER
1 1 - 4 7
43 FUEL SUPPLY SYSTEM
1 1 - 5 0
1 1 - 3 6