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