Honda Accord 2008 Manual page 347

07/11/02 09:00:41 61TA0000_110_0028
Fuel and Emissions Systems
System Description (cont'd)
ECM/PCM Inputs and Outputs at Connector B ( ) (49P)
＊１３
NOTE: Standard battery voltage is about 12 V.
Terminal
number
1
3
4
7
1
8
1
9
10
11 1
1
12
1
13
1
14
1
15
1
16
1: A/T
11-28
Wire color Terminal name
BLK PG2 (POWER GROUND)
YEL/BLU PCS (EVAPORATIVE
EMISSION (EVAP)
CANISTER PURGE VALVE)
BLK/WHT SO2SHTC (SECONDARY
HEATED OXYGEN SENSOR
(SECONDARY HO2S)
HEATER (SENSOR 2))
YEL/RED OPSW (OIL PRESSURE
SWITCH)
BLU/RED OP2SW (2ND CLUTCH
TRANSMISSION FLUID
PRESSURE SWITCH)
BLU/WHT OP3SW (3RD CLUTCH
TRANSMISSION FLUID
PRESSURE SWITCH)
BLK PG1 (POWER GROUND)
BLU/BLK SHA (SHIFT SOLENOID
VALVE A)
GRN/WHT SHB (SHIFT SOLENOID
VALVE B)
RED/BLK ATPN (TRANSMISSION
RANGE SWITCH N)
BLU/BLK ATPP (TRANSMISSION
RANGE SWITCH P)
WHT ATPR (TRANSMISSION
RANGE SWITCH R)
RED ATPD3 (TRANSMISSION
RANGE SWITCH D3)
△
Terminal side of female terminals
Description
Ground circuit for ECM/ Less than 0.5 V at all times
PCM
Drives EVAP canister purge With engine running, engine coolant below 140 °F
valve (60 °C): battery voltage
With engine running, engine coolant above 140 °F
(60 °C): duty controlled
Drives secondary HO2S With ignition switch ON (II): battery voltage
heater (sensor 2) With fully warmed up engine running:
duty controlled
Detects engine oil pressure With ignition switch ON: about 0 V
signal With engine running: battery voltage
Detects 2nd clutch With ignition switch ON (II):
transmission fluid pressure Without 2nd clutch pressure: about 5.0 V
switch input With 2nd clutch pressure: about 0 V
Detects 3rd clutch With ignition switch ON (II):
transmission fluid pressure Without 3rd clutch pressure: about 5.0 V
switch input With 3rd clutch pressure: about 0 V
Ground circuit for ECM/ Less than 0.5 V at all times
PCM
Drives shift solenoid With engine running in R, D (in 1st, 4th, and 5th
valve A gears) D3 (in 1st), and 1: battery voltage
With engine running in P, N, D, and D3 (in 2nd and
3rd gears) and 2: about 0 V
Drives shift solenoid With engine running in P, R, N, D, and D3 (in 1st and
valve B 2nd gears), 2, and 1: battery voltage
With engine running in D (in 3rd, 4th, 5th gears), D3
(in 3rd gear), 2 and 1: about 0 V
Detects transmission range In N: about 0 V
switch N position signal In any position other than N: about 5.0 V
input
Detects transmission range In P: about 0 V
P position signal input In any position other than P: about 5.0 V
Detects transmission range In R: about 0 V
switch R position signal In any position other than R: about 5.0 V
input
Detects transmission range In D3: about 0 V
switch D3 position signal In any position other than D3: battery voltage
input
Signal