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DTC 58

id070200803700

DTC 58 | Air mix actuator (motor lock) (past)
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POSSIBLE CAUSE | • Air mix actuator malfunction • A/C unit (air mix link and/or air mix crank) malfunction • Climate control unit malfunction • Open or short circuit between air mix actuator and climate control unit

Diagnostic Procedure

STEP | INSPECTION | ACTION
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1 | • Disconnect air mix actuator connector. • Connect battery positive voltage to terminal D (or terminal F) and ground to terminal F (or terminal D) of air mix actuator connector. • Does air mix actuator operate? | Yes | Connect air mix actuator connector, then go to Step 3.
No | Go to the next step.
2 | • Remove air mix actuator. • Operate air mix link by hand. • Does air mix link operate smoothly? | Yes | Replace air mix actuator.
No | Replace air mix link and/or air mix crank.
3 | • Disconnect climate control unit connect (12-pin). • Connect battery positive voltage to terminal 2D (or terminal 2C) and ground to terminal 2C (or terminal 2D) of climate control unit connector (12-pin). • Does air mix actuator operate? | Yes | Replace climate control unit.
No | Repair wiring harness.