Content .. 95 96 97 98 ..

Honda Odyssey 2004. Manual - part 97

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PCM Circuit Diagram

’02-04 Models (cont’d)

11-86

Fuel and Emissions Systems

System Descriptions (cont’d)

A27

A30

A17

ACS

ELD

To A/C
CLUTCH RELAY

UNDER-HOOD
FUSE/RELAY BOX

BATTERY

G201

PASSENGER’S UNDER-DASH
FUSE/RELAY BOX

ELD

ACC

BLK/YEL

YEL

To A/C
PRESSURE SWITCH

C203

CONNECTOR C

CONNECTOR B

CONNECTOR D

CONNECTOR C

CONNECTOR A

BRN/YEL

BLU/RED

WHT/YEL

WHT

BLK

RED

BLK/YEL

BRN/BLK

BLK/YEL

BLU/RED

WHT/YEL

BRN/YEL

WHT/GRN

WHT/YEL

YEL

BLK/YEL

GRN/RED

RED

GRN/RED

BLU/RED

C201

CONNECTOR H

CONNECTOR I

CONNECTOR J

FUSES
E:No. 13 CLOCK BACK UP (7.5A)
F:IG MAIN (50A)
G:ACGS (15A)
H:STOP (20A)
I:BACK UP ACC (40A)
J:BATTERY (120A)

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11-87

ICM

To
SPARK
PLUG

No. 1 IGNITION COIL

ICM

To
SPARK
PLUG

No. 2 IGNITION COIL

ICM

To
SPARK
PLUG

No. 3 IGNITION COIL

ICM

To
SPARK
PLUG

No. 4 IGNITION COIL

ICM

To
SPARK
PLUG

No. 5 IGNITION COIL

ICM

To
SPARK
PLUG

No. 6 IGNITION COIL

JUNCTION
CONNECTOR B

JUNCTION
CONNECTOR A

BLK/YEL

BLK

IGPLS1

C14

IGPLS2

C13

IGPLS4

C12

IGPLS5

C23

IGPLS6

IGPLS3

BLU/RED

YEL/GRN

WHT/BLU

BRN

BLK/YEL

BLK

BLK/YEL

BLK

BLK/YEL

BLK

BLK/YEL

BLK

BLK/RED

BRN/WHT

BLK

BLK/YEL

C101

BLK/YEL

G101

G102

KNOCK SENSOR

RED/BLU

C103

RED/BLU

C22

(cont’d)

03/07/29 09:19:43 61S0X050_110_0087

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PCM Circuit Diagram

’02-04 Models (cont’d)

11-88

Fuel and Emissions Systems

System Descriptions (cont’d)

E17

E16

C24

A31

E15

ATSFTP *

LT GRN

VREF *

WHT/RED

TPSOUT *

RED/BLK

PFINH *

LT GRN/RED

FPTDR *

PNK/BLK

C504

LT GRN

WHT/RED

RED/BLK

LT GRN/RED

PNK/BLK

C302

ATF TEMPERATURE
SENSOR

BLU/YEL

GRN/YEL

BLU/YEL

GRN/YEL

ATFT

LT GRN

WHT/RED

RED/BLK

LT GRN/RED

PNK/BLK

ECTOUT

YEL/GRN

FLS05 *

YEL/BLU

To FUEL
GAUGE

GAUGE ASSEMBLY

FUEL GAUGE
SENDING UNIT

BLU

ABS/TCS CONTROL UNIT

BLK

YEL/BLU

To COOLANT
TEMPERATURE

GAUGE ASSEMBLY

C151

C504

C553

BLK

G503

* : with ABS/TCS
* : ’03

04 models

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G501

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Malfunction Indicator Lamp (MIL) Indication
(In Relation to Readiness Codes)

Catalytic Converter Monitor and Readiness
Code

Enable Criteria

Procedure

11-89

How to Set Readiness Codes

The vehicle has certain ‘‘readiness codes’’ that are part
of the on-board diagnostics for the emissions systems.
If the vehicle’s battery has been disconnected or gone
dead, if the DTCs have been cleared, or if the PCM has
been reset, these codes are reset. In some states, part
of the emissions testing is to make sure these codes are
set to complete. If all of them are not set to complete,
the vehicle may fail the emission test, or the test cannot
be finished.

’99-00 models
To see if the readiness codes are set to complete,
connect a scan tool to the vehicle’s data link connector
(DLC), and check the readiness code list in the generic
OBD II mode.

’01-04 models
To see if the readiness codes are set to complete, turn
the ignition switch ON (II), but do not start the engine.
The MIL will come on for 15

20 seconds. If it then goes

off, the readiness codes are set to complete. If it blinks
five times, one or more readiness codes are not set to
complete. To set readiness codes from incomplete to
complete, do the procedure for the appropriate code.

NOTE:

• Do not turn the ignition switch OFF during the

procedure.

• All readiness codes are cleared when the battery is

disconnected or when the PCM is cleared with the
OBD II scan tool or HDS.

• Low ambient temperature or excessive stop-and-go

traffic may increase the drive time needed to switch
the readiness code from incomplete to complete.

• The readiness code will not switch to complete until

all the enable criteria are met.

• If a fault in the secondary HO2S system caused the

MIL to come on, the readiness code cannot be set to
complete until you correct the fault.

• ECT at 158°F (70°C) or higher.
• Intake air temperature (IAT) at 20°F (

7°C) or higher.

• Vehicle speed is steady, and vehicle speed sensor

(VSS) reads more than 25 mph (13 km/h).

1. Connect the scan tool to the vehicle’s data link

connector (DLC), and bring up the tool’s generic
OBD II mode.

2. Start the engine.

3. Test-drive the vehicle under stop-and-go conditions

with short periods of steady cruise. After about 5
miles (3 km), the readiness code should switch
from incomplete to complete.

4. If the readiness code is still set to incomplete, check

for a temporary DTC. If there is no DTC, one or
more of the enable criteria were probably not met;
repeat the procedure.

(cont’d)

03/07/29 09:19:44 61S0X050_110_0089

Content .. 95 96 97 98 ..