DTC P2520-782 A/C Request "A" Circuit Low DTC P2521-783 A/C Request "A" Circuit High: Description
If the output current becomes excessively large, the DC/DC converter requests the blower motor to stop via an IDH signal.
DTC DETECTION CONDITION AND TROUBLE AREA
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P2520 | 782 | Open or GND short in A/C blower motor operation inhibition request (IDH) signal circuit |
|
| P2521 | 783 | +B short in A/C blower motor operation inhibition request (IDH) signal circuit |
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