Table of Contents
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NOTE
For the items with asterisk (*) in the "CONTENTS" below, refer to the same section of the service manual
mentioned in the "FOREWORD" of this manual.
Precautions ................................................. 7-*
Precautions.............................................................. 7-*
Precautions for HVAC ............................................ 7-*
Heater and Ventilation............................. 7A-1
General Description ............................................. 7A-*
Heater and Ventilation Construction ....................7A-*
Body Ventilation Construction ..............................7A-*
On-Board Diagnostic System Description
(for Vehicle without A/C) ....................................7A-*
HVAC Control System Description (for
Vehicle without A/C)...........................................7A-*
Schematic and Routing Diagram........................7A-1
Heater and Ventilation Wiring Circuit
Diagram ............................................................ 7A-1
Electronic Control Input / Output Table (for
Vehicle without A/C)...........................................7A-*
Electronic Components Location for Heater
(for Vehicle without A/C) ....................................7A-*
Diagnostic Information and Procedures............ 7A-*
Heater and Ventilation System Check .................7A-*
Visual Inspection ..................................................7A-*
DTC Check ..........................................................7A-*
DTC Clearance ....................................................7A-*
DTC Table............................................................7A-*
Fail-Safe Table.....................................................7A-*
Scan Tool Data ....................................................7A-*
Heater and Ventilation Symptom Diagnosis.........7A-*
Repair Instructions .............................................. 7A-*
Blower Unit and Heater Unit Components ...........7A-*
HVAC Unit Removal and Installation (for
Vehicle without A/C)...........................................7A-*
HVAC Air Filter Removal and Installation
(for Vehicle without A/C) ....................................7A-*
HVAC Air Filter Inspection (for Vehicle
without A/C) .......................................................7A-*
Blower Motor Removal and Installation................7A-*
Blower Motor Inspection ......................................7A-*
Blower Motor Controller Removal and
Installation ..........................................................7A-*
Blower Motor Controller Inspection ......................7A-*
Blower Motor Relay Inspection ............................7A-*
Heater Core Removal and Installation .................7A-*
HVAC Control Module Removal and
Installation ..........................................................7A-*
Section 7
HVAC
CONTENTS
HVAC Control Module and Its Circuits
Inspection (for Vehicle without A/C) .................. 7A-*
Air Flow Control Actuator Removal and
Installation ......................................................... 7A-*
Air Flow Control Actuator Inspection................... 7A-*
Temperature Control Actuator Removal
and Installation .................................................. 7A-*
Temperature Control Actuator Inspection ........... 7A-*
Air Intake Control Actuator Removal and
Installation ......................................................... 7A-*
Air Intake Control Actuator Inspection................. 7A-*
Actuator Linkage Inspection................................ 7A-*
Center Ventilation Louver Removal and
Installation ......................................................... 7A-*
Side Ventilation Louver Removal and
Installation ......................................................... 7A-*
Rear Duct Components....................................... 7A-*
Rear Duct Removal and Installation.................... 7A-*
Air Conditioning System......................... 7B-1
Precautions........................................................... 7B-*
A/C System Caution............................................ 7B-*
Precautions on Servicing A/C System ................ 7B-*
Precautions in Diagnosing Trouble ..................... 7B-*
Precautions on Handling Refrigerant
HFC-134a (R-134a) .......................................... 7B-*
Precautions on Servicing Refrigerant Line.......... 7B-*
Precautions on Refrigerant Recovery ................. 7B-*
Precautions on Refrigerant Charge..................... 7B-*
Precautions on Replenishing Compressor
Oil...................................................................... 7B-*
Precautions on Servicing Compressor
Assembly........................................................... 7B-*
General Description .............................................7B-1
AUTO A/C System Description ........................... 7B-*
HVAC Control System Description...................... 7B-*
Auto A/C Electronic Control Input / Output
Table .................................................................7B-1
HVAC Control Module Operation
Description ........................................................ 7B-*
A/C Refrigerant Type Description ....................... 7B-*
Sub-Cool A/C System Description ...................... 7B-*
A/C Evaporator Temperature Sensor
Description ........................................................ 7B-*
On-Board Diagnostic System Description........... 7B-*
Table of Contents 7- i
7
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Table of Contents
Troubleshooting
