Honda CR-V 1997 Service Manual page 272

Troubleshooting
Powertrain Control Module Terminal Arrangement - '97 Model (cont'd)
PCM CONNECTOR 0
(16P)
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PCM CONNECTOR 0 (16P)
Wire side of female terminals
NOTE· Standard battery voltage is 12 V
~ermin.1
Wire color
Terminal name
Description Signal
number
I RED/BLK
TPS (THROITLE
Detects TP sensor signal. With throttle fully open: about 4.8 V
POSITION SENSOR)
With throttle fully closed: about 0.5 V
ECT (ENGINE COOLANT Detects ECT sensor signal. With ignition switch ON (II): about
2 RED/WHT TEMPERATURE o. I - 4.8 V (depending on engine
SENSOR
coolant temperature)
MAP (MAN(FOLD
Detects MAP sensor signal. With ignition switch ON (II): about 3 V
3 RED/GRN
ABSOLUTE PRESSURE At idle: about 1.0 V
SENSOR)
(depending on engine speed)
4
YEL/RED
VCCI (SENSOR
Power source for MAP sensor.
With ignition switch ON (II): about 5 V
VOLTAGE)
With ignition switch OFF: 0 V
BKSW(BRAKE
Detects brake switch signal.
With brake pedal released: 0 V
5 GRN/WHT
SWITCH)
With brake pedal depressed: battery
voltage
PH02S (PR(MARY
Detects heated primary oxygen With throttle fully opened from idle with
7 WHT
HEATED OXYGEN
sensor (sensor 1) signal. fully warmed up engine: above 0.6 V
SENSOR SENSOR I)
With throttle quickly closed: below
0.4V
IAT (INTAKE AIR TEM-
Detects IAT sensor signal.
With ignition switch ON (II): about
8 RED/YEL PERATURE SENSOR)
O. I - 4.8 V (depending on intake air
temperature)
10 YEL/BLU
VCC2 (SENSOR VOL T- Provides sensor voltage.
With ignition switch ON
(II):
about 5 V
AGE)
With ignition switch OFF: 0 V
II GRN/BLK
SG2 (SENSOR
Sensor ground. Less than 1.0 V at all times
GROUND)
12 GRN/WHT
SGI (SENSOR
Ground for MAP sensor. Less than 1.0 V at all times
GROUND)
SH02SSG
Ground for secondary heated
13 RED/YEL
(SECONDARY HEATED
oxygen sensor (sensor 2).
OXYGEN SENSOR,
SENSOR 2 GROUND)
SH02S (SECONDARY
Detects secondary heated With throttle fully opened from idle with
14 WHT/RED
HEATED OXYGEN
oxygen sensor (sensor 2)
fully warmed up engine: above 0.6 V
SENSOR, SENSOR 2)
signal. With throttle quickly closed: below
0.4 V
EL (ELD)
Detects ELD signal.
With parking lights turned on at idle:
16' GRN/RED
about 2.5 - 3.5 V
With low beam headlights turned on
at idle: about 1.5 - 2.5 V
': USA
11-70