Honda Accord 2008 Manual page 343

07/11/02 09:00:39 61TA0000_110_0024
Fuel and Emissions Systems
System Description (cont'd)
ECM/PCM Inputs and Outputs at Connector A ( ) (49P)
＊０９
NOTE: Standard battery voltage is about 12 V.
Terminal
number
1
1
3
4
6
7
9
10
11
15
16
1: A/T
11-24
Wire color Terminal name
RED VBSOL (POWER SOURCE
FOR SOLENOID VALVES)
WHT CANH (CAN
COMMUNICATION SIGNAL
HIGH)
RED CANL (CAN
COMMUNICATION SIGNAL
LOW)
YEL FANC (RADIATOR FAN
CONTROL)
RED/BLK MRLY (PGM-FI MAIN
RELAY 1)
YEL/BLK IGP (POWER SOURCE)
BLK SG6 (SENSOR GROUND)
RED VSV (EVAPORATIVE
EMISSION (EVAP)
CANISTER VENT SHUT
VALVE)
PUR ACC (A/C COMPRESSOR
CLUTCH RELAY)
GRY IMOFPR (IMMOBILIZER
FUEL PUMP RELAY)
□
Terminal side of female terminals
Description
Power source for solenoid With ignition switch ON (II): battery voltage
valves
Sends communication With ignition switch ON (II): pulses (about 2.5 V)
signal
Sends communication With ignition switch ON (II): pulses (about 2.5 V)
signal
Drives radiator fan relay With radiator fan running: about 0 V
With radiator fan stopped: battery voltage
Drives PGM-FI main relay 1 With ignition switch ON (II): about 0 V
Power source for DTC With ignition switch OFF: battery voltage
memory
Power source for ECM/PCM With ignition switch ON (II): battery voltage
circuit
Sensor ground Less than 0.5 V at all times
Drives EVAP canister vent With ignition switch ON (II): battery voltage
shut valve
Drives A/C compressor With compressor ON: about 0 V
clutch relay With compressor OFF: battery voltage
Drives PGM-FI main relay 2 About 0 V for 2 seconds after turning ignition switch
(FUEL PUMP) ON (II), then battery voltage
With engine running: about 0 V
Signal