Knock Sensor {Ksl (B18C1, 818C5 Enginesl - Acura Integra 1998 Service Manual

I
PGM-FI System
Knock Sensor {KSl (B18C1, 818C5 enginesl
The scan tool indicates Diagnostic Trouble Code (DTC) P0325: A problem in the circuit of the Knock Sensor
{ K S ) .
ECM CONNECIOR D I16P)
Wire side of female terminals
-
Tho MIL he3 b6en.eportgd on.
-
DTC P0325 i3 3tor6d,
Probl6m veriticalion:
1. Do the ECM Reset Proc€dure.
2 . S t a r t t h e e n g i n e . H o l d t h e
engine at 3,000 rpm with no
load {in Park or neutral} until
t h e r a d i a t o r l a n c o m e s o n ,
then let it idle.
3 . H o l d t h e e n g i n e a t 3 , 0 0 0 -
4,000 rpm for 10 seconds.
Intarmitt.nl failurc, ay3tem i3 OK
rt thii timc llest driva mav b.
naccrsrryl.
Chcck for poor connactions o.
loos. wir.. botw..n Cl33 knock
s.nlor (KSl rnd EcM.
Ch6ck {or a 3hort in tho wirc IKS
lin6l:
1. Turn the ignition switch OFF.
2. Disconnect the knock sensor
connector,
3. Check for continuity between
ECM connector terminals D6
and body ground.
R.o.i. short in thG wire batwaan
ECM lD6l rnd knock..n3or.
Check for an opcn in lho wiro
IKS lin.l:
Check for continuity between ECM
connector terminal D6 and knock
sensor connector terminal No. 1.
Reprir op.n in tho wira bttw..n
ECM lD6l and knock ..Nor.
Substitute a known-good knock
sensor and recheck.
Raplac6 thc odginrl knock sanror. ls DTC P0325 is indicated?
Substitut6 . known-good ECM
.nd rocheck. lf aymptom/indic.-
tion 9003 away, .opbcc thc origi-
nal ECM.
Wire side of female terminals