Honda Civic Service Manual page 414

PGM-FI System
Primary Heated Oxygen Sensor (Primary HO2SI (Sensor 1)
('99 - 00 Models except D16Y5 engine with M/T)
The scan tool indicates Diagnostic Trouble Code (DTC) P0132: A high voltage problem in the primary Heated
Oxygen Sensor (Primary HO2S) {Sensor I ) circuit.
PRIMARY HO2S ls€n3or 1' 4P
CONNECTOR
(c123t
PHO2S
IWHTI
Wire side of temale terminals
ECM/PCM CONNECTOR C 131PI
sG2
(GRN/
BLK)
SG2 IGRN/8LK}
Ware side of female terminals
The MIL has been reported on.
OTCP0132 is stored.
Problem vorificalion:
1. Do the ECM/PCM Reset Pro
cedure,
S t a r t t h e e n g i n e . H o l d t h e
engane at 3,000 rpm with no
load (in Park or neutral) until
the radiator fan comes on.
C h e c k t h e P r i m a r y H O 2 5
{Sensor lioutput voltage with
the scan tool during decelera-
taon using completely closed
throttle.
Intermittent tailure, systom k OK
at this time. Chock tor poor con-
nections or looso wir*
at Cl23
(Primaly HO2S, Sonsor 1) and
ECM/PCM.
Check lor an open in the Primary
H02S:
1. Turn the ignition switch OFF.
2. Disconnect the Primary HO2S
lSensor 1)connector.
3 . C o n n e c t t h e P r i m a r y H 0 2 S
(Sensor 1)4P connector termi
n a l s N o . 1 a n d N o . 2 w i t h a
4. Turn the ignition switch ON (ll).
5 . C h e c k t h e P r i m a r y H 0 2 S
{Sensor l) output voltage with
the scan tool.
ls there 1.5 V or more?
Check lor an open in th€ wire
(PHO25 lin€l:
1. Turn the ignition switch OFF.
2. Connect ECM/PCM connector
terminals C16 and C18 with a
jumper wire.
3. Turn the ignition switch ON {lli.
4 . C h e c k t h e P r i m a r y H O 2 S
(Sensor 1i output voltage with
the scan tool,
Roptir op.n in tho wire betweon
E C M / P C M l C l 6 l a n d P r i m . r y
HO2S lsensor 11.
ls there 1.5 V or more?
Subsiitute a known-good ECM/
PCM and r.check. lf symptom/
indication goos away, replece
the original ECM/PCM.
11 -1 4 4