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Home / DTC / B1060 — Air outlet potentio.performance

B1060 — Air outlet potentio.performance

Detailed page for trouble code B1060.

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Code

B1060

MITSUBISHI B — Body

Air outlet potentio.performance

Brand: MITSUBISHI
Type: B — Body
AI status
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Page language: EN

Causes

  • Faulty air outlet/mode door potentiometer (integral to mode actuator)
  • Wiring harness damage, short or open circuit to potentiometer
  • Corroded or loose connector pins at actuator or HVAC control unit
  • Mechanical binding or broken mode door linkages preventing proper potentiometer movement
  • Faulty HVAC (climate) control module or internal electronics

Symptoms

  • Inability to change air outlet mode (floor/vent/defrost) or mode selection ignored
  • Air outlet flaps stuck in one position or move erratically
  • HVAC control displays or fault indicator about mode position
  • Reduced or abnormal air distribution despite blower running
  • Intermittent operation correlated with vibration or wiggling dashboard harness

What to check

  • Retrieve freeze frame and repeating codes with a diagnostic scanner and record any related HVAC codes
  • Visually inspect mode actuator, potentiometer connector and wiring for damage, corrosion or water entry
  • Operate HVAC mode selection while observing actuator movement and listen for abnormal noises (grinding/slipping)
  • Use a scan tool to view live data/position feedback from the air outlet potentiometer while changing mode settings
  • Perform a wiggle test on wiring and connector while monitoring the potentiometer signal for intermittent changes
  • Measure reference voltage, signal voltage and ground at the potentiometer connector with key on (see signal_params)

Signal parameters

  • Reference voltage typically 5 V (key on) to potentiometer reference pin
  • Output/signal varies with flap position — 0–5 V range expected (position dependent) or corresponding variable resistance
  • Ground continuity to chassis or module ground should be
  • Actuator stall or erratic signal when moving through full travel — smooth, monotonic voltage change expected

Diagnostic algorithm

  1. Connect a capable scan tool, confirm B1060 and any related codes, and record live data for air outlet position feedback.
  2. Visually inspect actuator, linkage and harness; repair any obvious damage or corrosion.
  3. With ignition ON, backprobe actuator connector: verify 5 V reference, good ground, and that signal voltage changes smoothly when the mode selector is changed. If reference or ground missing, trace wiring to HVAC control unit.
  4. Wiggle wiring/connectors while monitoring signal for intermittent faults. Repair wiring/connector as needed.
  5. If electrical signals are good but actuator does not move or signal is inconsistent, remove actuator to inspect gears and potentiometer. Replace actuator if internal failure or mechanical damage is found.
  6. After repairs, erase codes and verify proper operation through full mode range and confirm code does not return.
  7. If wiring and actuator check OK but fault persists, consider replacement or bench test of HVAC control module and follow manufacturer-specific module tests.

Likely causes

  • Worn or failed potentiometer within the mode door actuator
  • Pinched/chewed wiring where harness passes through dash or cowl
  • Connector corrosion or water intrusion at actuator connector
  • Broken actuator gear or mode door that prevents rotation
  • Intermittent open/short in signal or reference power/ground

Fault status

⚠️ Status
HVAC control module detected an air outlet (mode) potentiometer signal that is out of expected range or not matching commanded position. May be intermittent or permanent until repaired.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

B1061 B1062 B1063 B1040 B1070
406

Browse 406 MITSUBISHI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

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