[55B] AUTOMATIC AIR CONDITIONER - - TROUBLESHOOTING - DIAGNOSTIC TROUBLE CODE PROCEDURES - Diagnosis code 15, 16: Heater water temperature sensor system | PRINT PAGE / INDEX / PRIOR / NEXT

Diagnosis code 15, 16: Heater water temperature sensor system
| COMMENTS ON TROUBLE SYMPTOM This code is set when the heater water temperature sensor circuit is open (Code No.15) or is short (Code No.16).
| POSSIBLE CAUSES Malfunction of the heater water temperature sensor Damaged the wiring harness or connectors Malfunction of the automatic air conditioner control panel (A/C-ECU)
| DIAGNOSIS
| Step 1. Check the heater water temperature sensor. Refer to . Q: Is the check result normal? YES: Go to Step 2. NO: Replace the heater water temperature sensor
| Step 2. Connector check: C-27 A/C-ECU connector and C-314 heater water temperature 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 4 and 20) and C-314 heater water temperature sensor connector (terminals 2 and 1). NOTE: Prior to the wiring harness inspection, check intermediate connector C-36, and repair if necessary. 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 15, 16: Heater water temperature sensor system | PRINT PAGE / INDEX / PRIOR / NEXT

©2004 Mitsubishi Motors Corporation