Honda Odyssey 2004. Manual - part 381

 

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Honda Odyssey 2004. Manual - part 381

 

 

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SUPPLEMENTAL RESTRAINT SYSTEM (SRS) (If HVAC maintenance is required)

• To avoid rendering the SRS inoperative, which could lead to personal injury or death in the event of a severe frontal

collision, all SRS service work must be performed by an authorized Honda dealer.

• Improper service procedures, including incorrect removal and installation of the SRS, could lead to personal injury

caused by unintentional deployment of the airbags and/or side airbags.

• Do not bump the SRS unit. Otherwise, the system may fail in a collision, or airbags may deploy if the ignition switch

is ON (II).

• SRS electrical connectors are identified by yellow color coding. Related components are located in the steering

column, front console, dashboard, dashboard lower panel, in the dashboard above the glove box, in the front seats,
and around the floor. Do not use electrical test equipment on these circuits.

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The Odyssey SRS includes a driver’s airbag in the steering wheel hub, a passenger’s airbag in the dashboard above
the glove box, seat belt tensioners in the front seat belt retractors, and side airbags in the front seat-backs. Information

special precautions and tools, and should be done only by an authorized Honda dealer.

necessary to safely service the SRS is included in this Service Manual. Items marked with an asterisk ( * ) on the

contents page include or are located near SRS components. Servicing, disassembling, or replacing these items requires

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Heating/Air Conditioning

Climate Control

Rear Heater-A/C

HVAC (Heating, Ventilation, and Air Conditioning)

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Special Tools

. 21-2

Component Location Index

. 21-3

A/C Service Tips and Precautions

. 21-6

A/C Refrigerant Oil Replacement

. 21-6

General Troubleshooting Infomation

. 21-8

DTC Troubleshooting Index

. 21-9

Symptom Troubleshooting Index

. 21-10

System Description

. 21-11

Circuit Diagram

. 21-14

DTC Troubleshooting

. 21-16

Recirculation Control Motor Circuit

Troubleshooting

. 21-21

Blower Motor Circuit Troubleshooting

. 21-22

Heater Control Power and Ground Circuit

Troubleshooting

. 21-26

Radiator and Condenser Fan Low Speed

Circuit Troubleshooting

. 21-27

Condenser Fan High Speed Circuit

Troubleshooting

. 21-30

Radiator and Condenser Fan High Speed

Circuit Troubleshooting

. 21-31

Compressor Clutch Circuit

Troubleshooting

. 21-32

A/C Pressure Switch Circuit

Troubleshooting

. 21-35

Air Mix Control Motor Test

. 21-37

Air Mix Control Motor Replacement

. 21-37

Mode Control Motor Test

. 21-38

Mode Control Motor Replacement

. 21-38

Recirculation Control Motor Test

. 21-39

Recirculation Control Motor

Replacement

. 21-39

Evaporator Temperature Sensor Test

. 21-40

Heater Fan Switch Test

. 21-40

Heater Control Panel

Removal and Installation

. 21-41

Heater Control Panel

Disassembly and Reassembly

. 21-41

Evaporator Removal and Installation

. 21-42

Evaporator Component Replacement

. 21-43

Dust and Pollen Filter Replacement

. 21-44

Blower Unit Removal and Installation

. 21-45

Blower Unit Component Replacement

. 21-45

Heater Unit/Core Replacement

. 21-46

Heater Valve Cable Adjustment

. 21-48

Compressor Replacement

. 21-49

Compressor Clutch Check

. 21-51

Compressor Clutch Overhaul

. 21-52

Compressor Relief Valve Replacement

. 21-53

Condenser Replacement

. 21-54

Receiver/Dryer Desiccant Replacement

. 21-55

Refrigerant Recovery

. 21-56

System Evacuation

. 21-57

System Charging

. 21-58

Refrigerant Leak Test

. 21-59

A/C System Test

. 21-60

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Component Location Index

. 21-64

General Troubleshooting Infomation

. 21-67

DTC Troubleshooting Index

. 21-71

Symptom Troubleshooting Index

. 21-72

System Description

. 21-73

Circuit Diagram

. 21-76

DTC Troubleshooting

. 21-80

ECT Sensor Circuit Troubleshooting

. 21-106

Recirculation Control Motor Circuit

Troubleshooting

. 21-107

A/C Pressure Switch Circuit

Troubleshooting

. 21-110

Climate Control Power and Ground

Circuit Troubleshooting

. 21-112

Climate Control Panel Troubleshooting

(With Navigation System)

. 21-114

Manual Switch (Navigation System Display)

Troubleshooting

. 21-116

In-car Temperature Sensor Test

. 21-117

In-car Temperature Sensor Replacement

. 21-117

Outside Air Temperature Sensor Test

. 21-118

Outside Air Temperature Sensor

Replacement

. 21-118

Sunlight SensorTest

. 21-119

Sunlight Sensor Replacement

. 21-119

Power Transistor Test

. 21-120

Climate Control Unit

Removal and Installation
(Without Navigation Sytem)

. 21-120

Climate Control Panel

Removal and Installation
(With Navigation System)

. 21-121

Climate Control Unit

Disassembly and Reassembly
(Without Navigation System)

. 21-121

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Component Location Index

. 21-122

Symptom Troubleshooting Index

. 21-123

Circuit Diagram

. 21-124

Rear Blower Motor Circuit

Troubleshooting

. 21-125

Rear Blower Motor Low Speed Circuit

Troubleshooting

. 21-127

Rear Blower Motor Middle Speed Circuit

Troubleshooting

. 21-129

Rear Blower Motor High Speed Circuit

Troubleshooting Hot and/or Cold

. 21-131

Rear Mode Control Motor Circuit

Troubleshooting

. 21-134

Rear Mode Control Motor Test

. 21-139

Rear Mode Control Motor Replacement

. 21-139

Rear Heater-A/C Main Switch

Removal and Installation

. 21-140

Rear Heater-A/C Main Switch Test

. 21-140

Rear Heater-A/C Passenger’s Control Panel

Removal and Installation

. 21-141

Rear Heater-A/C Passenger’s

Control Panel Test

. 21-141

Rear Blower Unit

Removal and Installation

. 21-142

Rear Blower Unit Component

Replacement

. 21-142

Rear Evaporator-Heater Unit

Removal and Installation

. 21-143

Rear Evaporator-Heater Unit Component

Replacement

. 21-144

Rear A/C Line Replacement

. 21-145

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01

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Ref.No.

Tool Number

Description

Qty

21-2

HVAC (Heating, Ventilation, and Air Conditioning)

Special Tools

07SAZ-001000A

Backprobe Set

2

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03

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21-3

Heating/Air Conditioning

Component Location Index

EVAPORATOR

SERVICE VALVE
(HIGH-PRESSURE SIDE)

COMPRESSOR

RECEIVER/DRYER

CONDENSER

EVAPORATOR COMPONENTS

SERVICE VALVE
(LOW-PRESSURE SIDE)

(cont’d)

Removal and Installation, page 21-42

Replacement, page 21-49
Clutch Check, page 21-51
Clutch Overhaul, page 21-52
Relief Valve Replacement, page 21-53

Desiccant Replacement,

page 21-55

(With built-in receiver/dryer)
Replacement, page 21-54

Replacement, page 21-43

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