DTC U200D:11 [FULL-AUTO AIR CONDITIONER]


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System malfunction location

•  Climate control unit circuit voltage (+5V) circuit short to ground
Detection condition
•  Malfunction in wiring harness between climate control unit circuit voltage (+5V) and each sensor/actuator
Fail-safe
Possible cause
•  Connector or terminal malfunction
•  Each sensor/actuator malfunction
•  Short to ground in wiring harness between climate control unit and air mix actuator
•  Short to ground in wiring harness between climate control unit and airflow mode actuator
•  Short to ground in wiring harness between climate control unit and solar radiation sensor
•  Short to ground in wiring harness between climate control unit and evaporator temperature sensor
•  Short to ground in wiring harness between climate control unit and cabin temperature sensor
•  Short to ground in wiring harness between climate control unit and heater core temperature sensor (Applied VIN (assumed): JMZ KE19760# 100001—200006, JMZ KE19780# 100001—200006, JMZ KE89380# 200001—200006, JMZ KE89780# 100001—200006, JMZ KEC9760# 100001—158744, JMZ KEF9160# 100001—158744, JMZ KEF9180# 100001—158744, JMZ KEK9760# 100001—200006, JMZ KEK9780# 100001—200006, JMZ KEN9160# 100001—158744, JMZ KEN9180# 100001—158744, JMZ KEN9260# 100001—158744, JMZ KEN9280# 100001—158744, JM0 KE102100 100001—200053, JM0 KE103100 200001—200053, JM0 KE107100 100001—200053, JM8 KE2W7**# 100001—202826, JM8 KE4W2**# 200001—202826, JM8 KE4W3**# 200001—202826, JM8 KE4W7**# 100001—202826, JMZ KEC978Z# 100001—202826, JMZ KEK928Z# 200001—202826, JMZ KEK938Z# 200001—202826, JMZ KEK978Z# 100001—202826, KE1071 100001—202826, JM6 KE1021*0 200001—202818, JM6 KE1031*0 200001—202818, JM6 KE1071*0 100001—202818)
•  Climate control unit malfunction

*1  :With heater core temperature sensor (Applied VIN (assumed): JMZ KE19760# 100001—200006, JMZ KE19780# 100001—200006, JMZ KE89380# 200001—200006, JMZ KE89780# 100001—200006, JMZ KEC9760# 100001—158744, JMZ KEF9160# 100001—158744, JMZ KEF9180# 100001—158744, JMZ KEK9760# 100001—200006, JMZ KEK9780# 100001—200006, JMZ KEN9160# 100001—158744, JMZ KEN9180# 100001—158744, JMZ KEN9260# 100001—158744, JMZ KEN9280# 100001—158744, JM0 KE102100 100001—200053, JM0 KE103100 200001—200053, JM0 KE107100 100001—200053, JM8 KE2W7**# 100001—202826, JM8 KE4W2**# 200001—202826, JM8 KE4W3**# 200001—202826, JM8 KE4W7**# 100001—202826, JMZ KEC978Z# 100001—202826, JMZ KEK928Z# 200001—202826, JMZ KEK938Z# 200001—202826, JMZ KEK978Z# 100001—202826, KE1071 100001—202826, JM6 KE1021*0 200001—202818, JM6 KE1031*0 200001—202818, JM6 KE1071*0 100001—202818)

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
VERIFY CLIMATE CONTROL UNIT CONNECTOR CONDITION
•  Switch the ignition off.
•  Disconnect the climate control unit connectors.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Are the connector and terminals normal?
Yes
Go to the next step.
No
Repair/replace the malfunctioning vehicle wiring harness, connector, or terminal.
After repair procedure, go to the next step.
2
VERIFY CONNECTOR CONDITION
•  Disconnect the following each sensor/actuator connectors.
•  Inspect the connector and terminals (corrosion, damage, pin disconnection).
•  Are the connector and terminals normal?
Yes
Go to the next step.
No
Replace the malfunctioning part.
After replace procedure, go to the next step.
3
INSPECT EACH SENSOR/ACTUATOR
•  Inspect the following each sensor/actuator connectors.
―  Heater core temperature sensor*1 (See HEATER CORE TEMPERATURE SENSOR INSPECTION [FULL-AUTO AIR CONDITIONER].)
•  Is it normal?
Yes
Go to the next step.
No
Replace the malfunctioning sensor/actuator.
After repair procedure, go to the next step.
4
INSPECT EACH SENSOR/ACTUATOR CIRCUIT FOR SHORT TO GROUND
•  Inspect for continuity between the following terminals (wiring harness-side) and body ground:
―  Climate control unit 1H
•  Is there continuity?
Yes
Repair the wiring harness.
Go to the next step.
No
Go to the next step.
5
VERIFY THAT SAME DTC IS NOT OUTPUT AGAIN
•  Reconnect the disconnected connectors.
•  Clear the past malfunction from memory.
•  Verify DTCs.
•  Is DTC U200D:11 output?
Yes
Repeat the inspection from Step 1.
•  If the malfunction does not recur, go to the next step.
•  If the malfunction recurs, replace the climate control unit. (See CLIMATE CONTROL UNIT REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER].)
Go to the next step.
No
Go to the next step.
6
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Verify other DTCs displayed.
•  Are any other DTCs output?
Yes
Perform the corresponding DTC inspection.
No
DTC troubleshooting completed.

*1  :With heater core temperature sensor (Applied VIN (assumed): JMZ KE19760# 100001—200006, JMZ KE19780# 100001—200006, JMZ KE89380# 200001—200006, JMZ KE89780# 100001—200006, JMZ KEC9760# 100001—158744, JMZ KEF9160# 100001—158744, JMZ KEF9180# 100001—158744, JMZ KEK9760# 100001—200006, JMZ KEK9780# 100001—200006, JMZ KEN9160# 100001—158744, JMZ KEN9180# 100001—158744, JMZ KEN9260# 100001—158744, JMZ KEN9280# 100001—158744, JM0 KE102100 100001—200053, JM0 KE103100 200001—200053, JM0 KE107100 100001—200053, JM8 KE2W7**# 100001—202826, JM8 KE4W2**# 200001—202826, JM8 KE4W3**# 200001—202826, JM8 KE4W7**# 100001—202826, JMZ KEC978Z# 100001—202826, JMZ KEK928Z# 200001—202826, JMZ KEK938Z# 200001—202826, JMZ KEK978Z# 100001—202826, KE1071 100001—202826, JM6 KE1021*0 200001—202818, JM6 KE1031*0 200001—202818, JM6 KE1071*0 100001—202818)