DTC 58

id070200803700

DTC 58 | Driver-side front air mix actuator (motor lock) (past) (L.H.D.) Passenger-side front air mix actuator (motor lock) (past) (R.H.D.)
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POSSIBLE CAUSE | • Driver-side (passenger-side) front air mix actuator malfunction • Front A/C unit (air mix link and/or air mix crank) malfunction • Open or short circuit between driver-side (passenger-side) front air mix actuator and front climate control unit

Diagnostic procedure

STEP | INSPECTION | ACTION
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1 | • Disconnect the driver-side (passenger-side) front air mix actuator connector. • Connect battery positive voltage to terminal F (or terminal G) and ground to terminal G (or terminal F) of driver-side (passenger-side) front air mix actuator connector. • Does driver-side (passenger-side) front air mix actuator operate? | Yes | Connect driver-side (passenger-side) front air mix actuator connector, then go to Step 3.
No | Go to the next step.
2 | • Remove driver-side (passenger-side) front air mix actuator. (See FRONT AIR MIX ACTUATOR REMOVAL/INSTALLATION.) • Operate air mix link by hand. • Does air mix link operate smoothly? | Yes | Replace driver-side (passenger-side) front air mix actuator.
No | Replace air mix link and/or air mix crank.
3 | • Disconnect climate control unit connector (24-pin). • Connect battery positive voltage to following terminal and ground to following terminal of front climate control unit connector (24-pin). Driver-side (L.H.D.) ― 1D (B+), 1A (GND) ― 1A (B+), 1D (GND) Passenger-side (R.H.D.) ― 1E (B+), 1C (GND) ― 1C (B+), 1E (GND) • Does driver-side (passenger-side) front air mix actuator operate? | Yes | Inspect the connection of the front climate control unit connector.
No | Repair wiring harness.