Mazda 2: Climate Control Unit
CLIMATE CONTROL UNIT REMOVAL/INSTALLATION
1. Disconnect the negative battery cable.
2. Remove the following parts:
- Glove compartment (See GLOVE COMPARTMENT REMOVAL/INSTALLATION).
- Dashboard under cover (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION).
- Heat duct (RH) (See HEAT DUCT COMPONENT REMOVAL/INSTALLATION).
- Rear console (See REAR CONSOLE REMOVAL/INSTALLATION).
- Shift lever knob (MTX) (See MANUAL TRANSAXLE SHIFT MECHANISM
REMOVAL/INSTALLATION).
- Side wall (See SIDE WALL REMOVAL/INSTALLATION).
- Front console component (See FRONT CONSOLE COMPONENT
REMOVAL/INSTALLATION).
- Front scuff plate (driver-side) (See FRONT SCUFF PLATE
REMOVAL/INSTALLATION).
- Front side trim (driver-side) (See FRONT SIDE TRIM
REMOVAL/INSTALLATION).
- Hood release lever (See HOOD LATCH AND RELEASE LEVER
REMOVAL/INSTALLATION).
- Lower panel (driver-side) (See LOWER PANEL REMOVAL/INSTALLATION).
- Knee bolster (See KNEE BOLSTER REMOVAL/INSTALLATION).
- Center panel unit (See CENTER PANEL UNIT REMOVAL/INSTALLATION).
3. Remove in the order indicated in the table.

- Climate control unit
- Connector
4. Install in the reverse order of removal.
Climate Control Unit Removal Note
1. Disconnect each wire to links and remove it to the wire clamps.

2. Pull out the air mix wire, airflow mode wire, and air intake wire from the
dashboard.

Climate Control Unit Installation Note
1. Route each wire as shown in the figure.

2. Connect the climate control unit connector.
3. Install the climate control unit so that the convex part of the climate
control unit passes the hole on the dashboard.

4. Set the dials and lever on the climate control unit as follows.

- Temperature control dial: MAX HOT
- Mode dial: Defroster
- REC/FRESH lever: REC
5. Connect each wire to links and install it to the wire clamps.
6. Verify that the dial can turn fully from one end to the other.
CLIMATE CONTROL UNIT DISASSEMBLY/ASSEMBLY
1. Disassemble in the order indicated in the figure.

- Dial
- Knob
- Air intake wire
- Airflow mode wire
- Air mix wire
- Bulb
- Fan switch
- Climate control unit
2. Assemble in the reverse order of disassembly.
Wire Removal Note
1. Remove in the order indicated in the figure.

Wire Installation Note
1. Install as shown in the figure.

CLIMATE CONTROL UNIT INSPECTION
1. Remove the climate control unit with the connector connected. (See CLIMATE
CONTROL UNIT REMOVAL/INSTALLATION [MANUAL AIR CONDITIONER] ).
2. Switch the ignition to ON.
3. Connect the negative (-) lead of the tester to the body ground.
4. After inserting the positive (+) lead of the tester into the climate control
unit connector, measure the voltage
according to the terminal voltage table.
- If there is any malfunction, inspect the parts under "Inspection item(s)".
- If the parts under "Inspection item(s)" are normal, replace the
climate control
unit.

Terminal Voltage Table (Reference)


FAN SWITCH INSPECTION
1. Remove the climate control unit.
2. Inspect for continuity between the fan switch terminals using an ohmmeter.

- If not as specified, replace the fan switch.

HVAC TECHNICAL DATA

HVAC SST

READ NEXT:
FOREWORD
Outline
The OBD (on-board diagnostic) system has the following functions:
Malfunction detection function: Detects malfunctions in the air bag
system and outputs DTCs.
PID/data moni
NOTE:
If the self-test is implemented, the seat weight sensor calibration is
performed. Perform
the DTC inspection in accordance with the following conditions:
Do not place objects on the front
SEE MORE:
Making a Call
Phonebook Usage
Telephone calls can be made by saying
the contact name in the downloaded
phonebook or the name of a person whose
phone number has been registered in the
Bluetooth® Hands-Free. Refer to Import
contact (Download Phonebook).
Press the talk button.
Wait for th
The Tyre Pressure Monitoring System (TPMS) monitors the air pressure of all
four tyres. If
the air pressure of one or more tyres is too low, the system warns the driver by
indicating the
tyre pressure monitoring system warning light in the instrument cluster and
operating a beep
sound. The
© 2016-2023 Copyright www.ma2auto.com
