Code No.B1031: Fin thermo Sensor system (short circuit)
Code No.B1032: Fin thermo Sensor system (open circuit)
COMMENTS ON TROUBLE SYMPTOM |
This code is set when the fin thermo sensor circuit is short (Code No.B1031) or is open (Code No.B1032). |
PROBABLE CAUSES |
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DIAGNOSIS PROCEDURE |
STEP 1. Connector check: C-13 A/C-ECU connector and C-118 fin thermo sensor connector |
Q.
Is the check result normal?
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Go to Step 2. |
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Repair the connector. |
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STEP 2. Check the wiring harness between C-13 A/C-ECU connector (terminals 21 and 22) and C-118 fin thermo sensor connector (terminals 2 and 1). |
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Q.
Is the check result normal?
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Go to Step 3. |
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Repair the wiring harness. |
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STEP 3. Check the fin thermo sensor. |
Refer to . |
Q.
Is the check result normal?
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Go to Step 4. |
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Replace the fin thermo sensor. |
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STEP 4. Check whether the diagnosis code is reset. |
Q.
Is the diagnosis code set?
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Replace the A/C-ECU. |
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The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope with Intermittent Malfunction ). |
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