Honda 2004 Odyssey Service Manual page 344

PCM Inputs and Outputs at Connector A (32P) '02-04 Models
NOTE: Standard battery voltage is 12 V.
Terminal Wire color
number
18 GRN/ORN MIL (MALFUNCTION
INDICATOR LAMP)
19 BLU NEP (ENGINE SPEED
PULSE)
20 BLU/RED FANC (RADIATOR FAN
CONTROL)
21 GRY K-LINE
24 BLU/ORN STSW (STARTER
SWITCH SIGNAL)
26 GRN PSPSW (P/S
PRESSURE SWITCH
SIGNAL)
27 BLU/RED ACS (A/C SWITCH
SIGNAL)
28 WHT/RED ILU (INTERLOCK
CONTROL UNIT)
29 LT GRN FTP (FUEL TANK
PRESSURE SENSOR)
30 GRN/RED ELD (ELD)
31 YEL/GRN ECTOUT (ECT SIGNAL
OUTPUT)
32 WHT/BLK BKSW (BRAKE PEDAL
POSITION SWITCH)
Wire side of female terminals
Terminal name Description
Drives MIL
Outputs engine speed
pulse
Drive radiator fan relay
Sends and receives scan
tool signal
Detects starter switch
signal
Detects PSP switch signal
Detects A/C switch signal
Drives interlock control
unit
Detects FTP sensor signal
Detects ELD signal
Sends engine coolant
temperature signal
Detects brake pedal
position switch signal
Signal
With MIL ON: 0 V
With MIL OFF: battery voltage
With engine running: pulses
With radiator fan running: 0 V
With radiator fan stopped: battery voltage
With ignition switch ON (II): pulses
With starter switch at START (III): battery voltage
With starter switch OFF: 0 V
At idle with steering wheel in straight ahead position: 0 V
At idle with steering wheel at full lock: battery voltage
With A/C switch ON: 0 V
With A/C switch OFF: about 5 V
With ignition switch ON (II) and brake pedal pressed:
about 0 V
With ignition switch ON (II) and fuel fill cap removed:
about 2.5 V
With parking lights turned on at idle: about 2.5 3.5 V
With low beam headlights turned on at idle: about
1.5 2.5 V
With ignition switch ON (II): pulses
With brake pedal released: 0 V
(cont'd)
11-35