Honda 2004 Odyssey Service Manual page 341

Fuel and Emissions Systems
System Descriptions (cont'd)
PCM Inputs and Outputs at Connector E (31P) '01 Model
NOTE: Standard battery voltage is 12 V.
Terminal Wire color
number
1 GRN/YEL
2 BLK/WHT
3 BLU
4 GRN/ORN
5 GRN/BLK
6 YEL/BLU
7 GRN/BLK
8 BLU/ORN
9 WHT/BLK
11 RED/YEL
12 RED
13 BLU/RED
14 YEL/GRN
15 WHT/RED
16 BRN
17 BLU/GRN
11-32
Wire side of female terminals
Terminal name
IMOFPR (IMMOBILIZER Drives fuel pump
FUEL PUMP RELAY)
SO2SHTC (SECONDARY Drives secondary HO2S
HEATED OXYGEN SENSOR heater
(SECONDARY HO2S)
HEATER CONTROL)
NEP (ENGINE SPEED Outputs engine speed pulse
PULSE)
MIL (MALFUNCTION Drives MIL
INDICATOR LAMP)
D4IND (D4 INDICATOR) Drives D4 indicator
VCC3 (SENSOR VOLTAGE) Power source to FTP sensor
SG3 (SENSOR GROUND) Ground for FTP sensor
STSW (STARTER SWITCH Detects starter switch signal
SIGNAL)
BKSW (BRAKE PEDAL Detects brake pedal
POSITION SWITCH) position switch signal
PCS (EVAPORATIVE Drives EVAP canister purge
EMISSION (EVAP) valve
CANISTER PURGE VALVE)
ACC (A/C CLUTCH RELAY) Drives A/C clutch relay
FANC (RADIATOR FAN Driver radiator fan relay
CONTROL)
ECTOUT (ECT SIGNAL Sends engine coolant
OUTPUT) temperature signal
ILU (INTERLOCK CONTROL Drives interlock control unit
UNIT)
SCS (SERVICE CHECK Detects service check
SIGNAL) connector signal (the signal
causing a DTC indication)
CCS (CRUISE CONTROL Detects cruise control signal With ignition switch ON (II): pulses
SIGNAL)
Description
0 V for 2 seconds after turning ignition switch ON
(II), then battery voltage
With ignition switch ON (II): battery voltage
With fully warmed up engine running: duty
controlled
With engine running: pulses
With MIL turned ON: about 0 V
With MIL turned OFF: battery voltage
With D4 indicator ON: about 0 V
With D4 indicator OFF: battery voltage
With ignition switch ON (II): about 5 V
With ignition switch OFF (II): about 0 V
Less than 1.0 V at all times
With starter switch at START (III): battery voltage
With starter switch OFF: about 0 V
With brake pedal released: about 0 V
With engine running, engine coolant below 147°F
(64°C): battery voltage
With engine running, engine coolant above 147°F
(64°C): duty controlled
With compressor ON: about 0 V
With compressor OFF: battery voltage
With radiator fan running: about 0 V
With radiator fan stopped: battery voltage
With ignition switch ON (II): pulses
With ignition switch ON (II) and brake pedal
pressed: about 0 V
With terminal connected: about 0 V
With terminal disconnected: about 5 V
Signal