DTC 06, 10, 12, 14, 18, 21 (WHEN TWO OR MORE DTCS ARE INDICATED AT THE SAME TIME)


id070200812000

DTC 06, 10, 12, 18, 21

Climate control unit (+5V power supply or sensor ground system) or sensor ground system inspection

POSSIBLE CAUSE

• Climate control unit malfunction
• Open circuit between climate control unit and each temperature sensor
• Open circuit between climate control unit and air mix actuator
• Open circuit between climate control unit and airflow mode actuator

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
• Disconnect climate control unit connector (24-pin) and evaporator temperature sensor connector.
• Is there continuity between terminal 1I of climate control unit connector (24-pin) and terminal A of evaporator temperature sensor connector?
Yes
Replace climate control unit.
No
Repair wiring harness.