Honda 2004 Odyssey Service Manual page 346

PCM Inputs and Outputs at Connector C (31P) '02-04 Models
NOTE: Standard battery voltage is 12 V.
Terminal Wire color
number
1 BLK/WHT PO2SHTC (PRIMARY HEATED
OXYGEN SENSOR HEATER
CONTROL)
2 WHT/GRN ALTC (ALTERNATOR
CONTROL)
3 WHT/BLU IGPLS3 (No. 3 IGNITION COIL
PULSE)
4 YEL/GRN IGPLS1 (No. 1 IGNITION COIL
PULSE)
5 WHT/RED ALTF (ALTERNATOR FR
SIGNAL)
6 WHT/BLK EGRP (EGR VALVE POSITION
SENSOR)
7 GRN/WHT SG1 (SENSOR GROUND)
8 BLU CKP
9 WHT CKP
10 BLU/BLK VTPSW (VTEC OIL PRESSURE
SWITCH SIGNAL)
12 BLK/RED IGPLS5 (No. 5 IGNITION COIL
PULSE)
13 BRN IGPLS4 (No. 4 IGNITION COIL
PULSE)
14 BLU/RED IGPLS2 (No. 2 IGNITION COIL
PULSE)
16 WHT PHO2S (PRIMARY HEATED
OXYGEN SENSOR, SENSOR
1)
17 GRN/RED MAP (MANIFOLD ABSOLUTE
PRESSURE SENSOR)
18 GRN/YEL SG2 (SENSOR GROUND)
19 YEL/RED VCC1 (SENSOR VOLTAGE)
20 GRN CMPA(TDC1)
(TDC 1) SENSOR
21 RED CMPA(TDC1)
(TDC 1) SENSOR
22 RED/BLU KS (KNOCK SENSOR)
23 BRN/WHT IGPLS6 (No. 6 IGNITION COIL
PULSE)
24 BLU/YEL ATFT (ATF TEMPERATURE
SENSOR)
25 RED/YEL IAT (INTAKE AIR
TEMPERATURE SENSOR)
26 RED/WHT ECT (ENGINE COOLANT
TEMPERATURE SENSOR)
27 RED/BLK TPS (THROTTLE POSITION
SENSOR)
28 YEL/BLU VCC2 (SENSOR VOLTAGE)
29 YEL CMPB(TDC2)
(TDC2) SENSOR
30 BLK CMPB(TDC2)
(TDC2) SENSOR
Wire side of female terminals
Terminal name
Drives primary heated
oxygen sensor heater
Sends alternator control
signal
Drives No. 3 ignition coil
Drives No. 1 ignition coil
Detects alternator FR signal
Detects EGR valve position
sensor signal
Ground for MAP sensor
(CKP SENSOR SIDE) Detects CKP sensor
(CKP SENSOR SIDE) Ground for CKP sensor
Detects VTEC oil pressure
switch signal
Drives No. 5 ignition coil
Drives No. 4 ignition coil
Drives No. 2 ignition coil
Detects primary heated
oxygen sensor (sensor 1)
signal
Detects MAP sensor signal
Sensor ground
Power source to MAP
sensor
(CMP A Detect CMP A (TDC 1)
SIDE) sensor
(CMP A Ground for CMP A (TDC 1)
SIDE) sensor
Detects knock sensor signal
Drives No. 6 ignition coil
Detects ATF temperature
sensor signal
Detects IAT sensor signal
Detects ECT sensor signal
Detects TP sensor signal
Provides sensor voltage
(CMP B Detects CMP B (TDC 2)
SIDE) sensor
(CMP B Ground for CMP B (TDC 2)
SIDE) sensor
Description
With ignition switch ON (II): battery voltage
With fully warmed up engine running: duty
controlled
With fully warmed-up engine running: about 8 V
With ignition switch ON (II): 0 V
With engine running: pulses
With fully warmed up engine running: 0 V-battery
voltage (depending on electrical load)
At idle: about 1.2 V
Less than 1.0 V at all times
With engine running: pulses
With engine at low rpm: 0 V
With engine at high rpm: battery voltage
With ignition switch ON (II): 0 V
With engine running: pulses
With throttle fully opened from idle, with fully
warmed up engine: above 0.6 V
With throttle quickly closed: below 0.4 V
With ignition switch ON (II): about 3 V
At idle: about 1.0 V (depending on engine speed)
Less than 1.0 V at all times.
With ignition switch ON (II): about 5 V
With ignition switch OFF: 0 V
With engine running: pulses
With engine knocking: pulses
With ignition switch ON (II): 0 V
With engine running: pulses
With ignition switch ON (II): about 0.2 4.8 V
(depending on ATF temperature)
With ignition switch ON (II): about 0.1 4.8 V
(depending on intake air temperature)
With ignition switch ON (II): about 0.1 4.8 V
(depending on engine coolant temperature)
With throttle fully open: about 4.8 V
With throttle fully closed: about 0.5 V
With ignition switch ON (II): about 5 V
With ignition switch OFF: 0 V
With engine running: pulses
Signal
(cont'd)
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