Honda Civic 1998 Service Manual page 246

Troubleshooting
Diagnostic Trouble Code (DTC) Chart (cont'dl
DTC
lMlL indicationl
Detection ltem
Probablc Cause
Pags
P 1 4 9 1 * .
l 1 2 l
EGR Valve
Lift Insufficient
Detected
EGR valve (with lift sensor)
EGR valve lift sensor circuit
EGR control solenoid valve (4,/T)
EGR control solenoid valve circuit
EGR valve circuit (M/T)
ECIV
11-171
P1498*.
\12)
EGR Valve
Lift Sensor
High Voltage
EGR valve lwith lift sensor)
EGR valve lift sensor circuit
ECt\4
1 1 - 1 7 6
P 1 5 0 8 * ' 0
( 1 4 )
ldle Air Control Valve
Circuit FailLrre
IAC valve
IAC valve circuit
E C M
1 1-126
P 1 s 0 9 * 1 1 1 1 4 )
ldle Air Control Valve
C i r c u i t F a i l u r e
Open or shon in IAC valve circuit
IAC valve
ECM/PCt\,,|
1 1 ' 1 2 8
P1607
Engine Control
Module/Powenrain Control Module
lnternal
. ECM/PCM
11-120
P 1 6 5 5 * 1
( 3 0 ) TMA,/TMB Sisnal Line Failure Open or short in TMA/TMB circuit 11-121
P 1 7 0 5
P 1 7 0 6
P 1 7 5 3
P1758
P1768
P 1 7 8 5
P 1 7 9 0
P 1 7 9 1
P1793
(70)*
P1870
P1873
P1879
P 1 8 8 5
P1886
P1888
P1890
P 1 8 9 1
Automatic Transaxle
Section 14
*: The [D!] indicator light and the Mallunction Indicator Lamp (MlL] may come on simultaneously.
*1: D'16Y5 engine (CVT)
*4: D16Y5 engine 1N4/T)
*10: Except A/T and D'16Y7 engine
*11: A,/T and D16Y7 engine
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