COMMENTS ON TROUBLE SYMPTOM |
This code will be set when the A/C control panel is faulty. |
PROBABLE CAUSES |
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DIAGNOSIS PROCEDURE |
STEP 1. Connector check: C-120 A/C control panel connector and C-111 A/C-ECU 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-120 A/C control panel connector (terminals 9 and 1) and C-111 A/C-ECU connector (terminals 9 and 10). |
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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 whether the diagnosis code is reset |
Replace the A/C control panel, and erase the diagnosis code. Then check that
no diagnosis code is being set. |
Q.
Is the diagnosis code set?
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Replace the A/C-ECU. |
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This diagnosis is complete. |
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