DTC B2834

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DTC B2834

B3E070201038W10

DTC B2834 | Air mix actuator (motor lock) system
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POSSIBLE CAUSE | • Air mix actuator malfunction • A/C unit (air mix link and air mix crank) malfunction • Open or short circuit in wiring harness between climate control unit and air mix actuator

Diagnostic Procedure

STEP | INSPECTION | ACTION
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1 | • Disconnect the air mix actuator connector. • Connect battery positive voltage to air mix actuator terminal F (or terminal D) and terminal D (or terminal F) to ground. • Does the air mix actuator operate? | Yes | Connect the connector, then go to Step 3.
No | Go to the next step.
2 | • Remove the air mix actuator. • Operate the air mix link manually. • Does the air mix link operate smoothly? | Yes | Replace the air mix actuator. (See AIR MIX ACTUATOR REMOVAL/INSTALLATION.)
No | Replace the air mix link and the air mix crank.
3 | • Disconnect the climate control unit connector. • Connect battery positive voltage to climate control unit terminal D (or terminal C) and terminal C (or terminal D) to ground. • Does the air mix actuator operate? | Yes | Inspect the connection of the climate control unit connector. (See CLIMATE CONTROL UNIT INSPECTION [FULL-AUTO AIR CONDITIONER].)
No | Repair the wiring harness.