Mazda 2002 6 Workshop Manual page 1207

Step Operating device
3 Airflow mode
actuator operation
4 Air intake actuator
operation
A/C compressor
operation
*
: Shown on the information display according to step.
End Of Sie
DTC 02
DTC 02 Solar radiation sensor system inspection
• Solar radiation sensor malfunction
POSSIBLE
• Climate control unit malfunction
CAUSE
• Open or short circuit between solar radiation sensor and climate control unit
Diagnostic Procedure
STEP
• Inspect solar radiation sensor.
1
• Is it okay?
• Disconnect climate control unit connector
2
(24-pin) and solar radiation sensor
connector.
• Is there continuity between following
terminals of climate control unit connector
(24-pin) and terminal solar radiation sensor
connector?
— 1S—B
— 1B—A
• Is there short circuit to ground between
3
terminal 1S of climate control unit connector
(24-pin) and terminal B of solar radiation
sensor connector?
End Of Sie
DTC 06
DTC 06 Cabin temperature sensor system inspection
• Cabin temperature sensor malfunction
POSSIBLE
• Climate control unit malfunction
CAUSE
• Open or short circuit between cabin temperature sensor and climate control unit
U–56
ON-BOARD DIAGNOSTIC
Operating conditions
INSPECTION
Moni
*
tor
3
4
Yes Go to next step.
No Replace solar radiation sensor.
Yes Go to next step.
No Repair wiring harness.
Yes Repair wiring harness.
No Replace climate control unit.
Other device conditions
• Blower motor speed
— 3rd
• Air mix actuator operation
— 50%
• Air intake actuator operation
— FRESH
• A/C compressor operation
— ON
• Blower motor speed
— 3rd
• Air mix actuator operation
— 0%
• Airflow mode actuator operation
— VENT
A6E857001038W02
ACTION
A6E857001038W03