[55B] AUTOMATIC AIR CONDITIONER - - TROUBLESHOOTING - DIAGNOSTIC TROUBLE CODE PROCEDURES - Diagnosis code 32: Mode selection damper control motor and potentiometer sensor system | PRINT PAGE / INDEX / PRIOR / NEXT

Diagnosis code 32: Mode selection damper control motor and potentiometer sensor system
| COMMENTS ON TROUBLE SYMPTOM This code is set when the mode selection damper control motor potentiometer does not send any signal to the A/C-ECU due to short or open circuit.
| POSSIBLE CAUSES Malfunction of the mode selection damper control motor and potentiometer Malfunction of the automatic air conditioner control panel (A/C-ECU) Damaged the wiring harness or connectors
| DIAGNOSIS
| Step 1. Check the mode selection damper control motor and potentiometer. Refer to . Q: Is the check result normal? YES: Go to Step 2. NO: Replace the mode selection damper control motor and potentiometer
| Step 2. Connector check: C-27 A/C-ECU connector and C-315 mode selection damper control motor and potentiometer connector Q: Is the check result normal? YES: Go to Step 3. NO: Repair the connector.
| Step 3. Check the wiring harness between C-27 A/C-ECU connector (terminals 10, 6 and 20) and C-315 mode selection damper control motor and potentiometer connector (terminals 2, 5 and 6). NOTE: Prior to the wiring harness inspection, check intermediate connector C-36 and heater water temperature sensor connector C-314, and repair if necessary. Check the sensor power supply, sensor earth and signal line for open or short circuit. Q: Is the check result normal? YES: Malfunction of the automatic air conditioner control panel (A/C-ECU) NO: Repair the wiring harness.

[55B] AUTOMATIC AIR CONDITIONER - - TROUBLESHOOTING - DIAGNOSTIC TROUBLE CODE PROCEDURES - Diagnosis code 32: Mode selection damper control motor and potentiometer sensor system | PRINT PAGE / INDEX / PRIOR / NEXT

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