[55B] AUTOMATIC AIR CONDITIONER - - TROUBLESHOOTING - DIAGNOSTIC TROUBLE CODE PROCEDURES - Diagnosis code No.11, 12: Interior temperature sensor systemPRINT PAGE / INDEX / PRIOR / NEXT
DIAGNOSTIC TROUBLE CODE PROCEDURES
Diagnosis code No.11, 12: Interior temperature sensor system
COMMENTS ON TROUBLE SYMPTOM
This code is set when the interior temperature sensor circuit is open (Code No.11) or is short (Code No.12).
POSSIBLE CAUSES
  • Malfunction of the interior temperature sensor
  • Damaged the wiring harness or connectors
  • Malfunction of the automatic air conditioner control panel (A/C-ECU)
DIAGNOSIS
Step 1. Check the interior temperature sensor.
Refer to .
Q: Is the check result normal?
YES:  Go to Step 2.
NO:  Replace the interior temperature sensor.
Step 2. Connector check: C-27 A/C-ECU connector and C-127 interior temperature sensor 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 1 and 20) and C-127 interior temperature sensor connector (terminals 1 and 2).
  • Check the input line for open or short circuit.
Q: Is the check result normal?
YES:  Replace 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 No.11, 12: Interior temperature sensor systemPRINT PAGE / INDEX / PRIOR / NEXT
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