Honda 2004 Odyssey, Service Manual

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PCM Inputs and Outputs at Connector C (31P) ’02-04 Models
Terminal
number
Wire color Terminal name Description Signal
11-37
NOTE: Standard battery voltage is 12 V.
1 BLK/WHT PO2SHTC (PRIMARY HEATED
OXYGEN SENSOR HEATER
CONTROL) Drives primary heated
oxygen sensor heater With ignition switch ON (II): battery voltage
With fully warmed up engine running: duty
controlled
2 WHT/GRN ALTC (ALTERNATOR
CONTROL) Sends alternator control
signal With fully warmed-up engine running: about 8 V
3 WHT/BLU IGPLS3 (No. 3 IGNITION COIL
PULSE) Drives No. 3 ignition coil With ignition switch ON (II): 0 V
With engine running: pulses
4 YEL/GRN IGPLS1 (No. 1 IGNITION COIL
PULSE) Drives No. 1 ignition coil
5 WHT/RED ALTF (ALTERNATOR FR
SIGNAL) Detects alternator FR signal With fully warmed up engine running: 0 V-battery
voltage (depending on electrical load)
6 WHT/BLK EGRP (EGR VALVE POSITION
SENSOR) Detects EGR valve position
sensor signal At idle: about 1.2 V
7 GRN/WHT SG1 (SENSOR GROUND) Ground for MAP sensor Less than 1.0 V at all times
8 BLU CKP (CKP SENSOR SIDE) Detects CKP sensor With engine running: pulses
9 WHT CKP (CKP SENSOR SIDE) Ground for CKP sensor
10 BLU/BLK VTPSW (VTEC OIL PRESSURE
SWITCH SIGNAL) Detects VTEC oil pressure
switch signal With engine at low rpm: 0 V
With engine at high rpm: battery voltage
12 BLK/RED IGPLS5 (No. 5 IGNITION COIL
PULSE) Drives No. 5 ignition coil With ignition switch ON (II): 0 V
With engine running: pulses
13 BRN IGPLS4 (No. 4 IGNITION COIL
PULSE) Drives No. 4 ignition coil
14 BLU/RED IGPLS2 (No. 2 IGNITION COIL
PULSE) Drives No. 2 ignition coil
16 WHT PHO2S (PRIMARY HEATED
OXYGEN SENSOR, SENSOR
1) Detects primary heated
oxygen sensor (sensor 1)
signal With throttle fully opened from idle, with fully
warmed up engine: above 0.6 V
With throttle quickly closed: below 0.4 V
17 GRN/RED MAP (MANIFOLD ABSOLUTE
PRESSURE SENSOR) Detects MAP sensor signal With ignition switch ON (II): about 3 V
At idle: about 1.0 V (depending on engine speed)
18 GRN/YEL SG2 (SENSOR GROUND) Sensor ground Less than 1.0 V at all times.
19 YEL/RED VCC1 (SENSOR VOLTAGE) Power source to MAP
sensor With ignition switch ON (II): about 5 V
With ignition switch OFF: 0 V
20 GRN CMPA(TDC1) (CMP A
(TDC 1) SENSOR SIDE)
Detect CMP A (TDC 1)
sensor With engine running: pulses
21 RED CMPA(TDC1) (CMP A
(TDC 1) SENSOR SIDE)
Ground for CMP A (TDC 1)
sensor
22 RED/BLU KS (KNOCK SENSOR) Detects knock sensor signal With engine knocking: pulses
23 BRN/WHT IGPLS6 (No. 6 IGNITION COIL
PULSE) Drives No. 6 ignition coil With ignition switch ON (II): 0 V
With engine running: pulses
24 BLU/YEL ATFT (ATF TEMPERATURE
SENSOR) Detects ATF temperature
sensor signal With ignition switch ON (II): about 0.2 4.8 V
(depending on ATF temperature)
25 RED/YEL IAT (INTAKE AIR
TEMPERATURE SENSOR) Detects IAT sensor signal With ignition switch ON (II): about 0.1 4.8 V
(depending on intake air temperature)
26 RED/WHT ECT (ENGINE COOLANT
TEMPERATURE SENSOR) Detects ECT sensor signal With ignition switch ON (II): about 0.1 4.8 V
(depending on engine coolant temperature)
27 RED/BLK TPS (THROTTLE POSITION
SENSOR) Detects TP sensor signal With throttle fully open: about 4.8 V
With throttle fully closed: about 0.5 V
28 YEL/BLU VCC2 (SENSOR VOLTAGE) Provides sensor voltage With ignition switch ON (II): about 5 V
With ignition switch OFF: 0 V
29 YEL CMPB(TDC2) (CMP B
(TDC2) SENSOR SIDE)
Detects CMP B (TDC 2)
sensor With engine running: pulses
30 BLK CMPB(TDC2) (CMP B
(TDC2) SENSOR SIDE)
Ground for CMP B (TDC 2)
sensor
(cont’d)
Wire side of female terminals
03/07/29 09:18:05 61S0X050_110_0037