Honda Civic Service Manual page 422

PGM-FI System
IiT-"-w Heated 9{ygglSensor (primary HO2SI (Sensor 1)
(Dl6Y5 engine with M/Tl lconr'd)
1T1163 Ih"
scan tool indicates Diagnostic Trouble code (DTc) P1169: A high volrage probtem in
the pnmary Heated
-
Uxygen Sensor {primary HO2S) (Sensor .l) LABEL circuit.
PSTMARY HO2S (SENSOR 1l8p CONNECTOR (145)
LABEL IWHTI
ECM CONNECTOR O {16P}
(GRN/BLK)
female
IGRN/BLKI
-
The MIL hrs been reported on.
-
DTC Pl169 i3 stored.
Problem verification:
L Do the ECM Reset Procedure.
2. Start the engine.
3. Wait at least two minutes.
Intormittent f.ilure, sv*em b OK
at this time. Check for poor con-
n.ctions or loose wires at C145
(Prim.ry HO2S, Sensor 1l and
ECM.
ls DTC P1169 indicated?
Ch€ck Ior an op6n in th€ wire
(LABEL line):
1. Turn the ignition switch OFF.
2. Disconnect the Primary HO2S
(Sensor 1) 8P connector.
3. Turn the ignition switch ON (ll).
4 . M e a s u r e v o l t a g e b e t w e e n
Primary HO2S lsensor 1) 8P
connector No, 4 terminal and
body ground.
Check lor an open in the wire
{SG2linel:
1. Turn the ignition swilch OFF.
2. Disconnect ECM connector D
(16P)trom the ECM.
3. Check for continuity betlveen
ECM connector terminal D1l
and Primary HO2S (Sensor 1)
8P connector terminal No. 3.
ls there approx. 5 V?
Ropair opon in the wires betweon
lhe P.imary HO2S {Sensor 't} and
ECM tD7l.
R€pair open in th6 wire between
the Primary HO2S lsensor 1) and
ECM (011).
ls there continuity?
Roplace the Primary HO2S (Sen-
sor 1).
1
2 3 a
5
6 8 9 1 0 1 t 1 2
t 3 1 4 1 5
1 6
sG2
side of
e terminals
t l l
I
I
-- rl
;G2
I
2
6
3
4
8
11 - 15 2