DTC B1498-87: A/C Inverter Local Missing Message [11/2021 - ]: Description
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
The hybrid vehicle control ECU and compressor with motor assembly communicate via a direct line. Compressor control is stopped and this DTC is stored if communication information is cut off or abnormal information occurs.
This DTC is also detected if high-voltage power supplied from the inverter with converter assembly to the compressor control circuit is shut off.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory |
|---|---|---|---|---|
| B1498-87 | A/C Inverter Local Missing Message | Diagnosis Condition:
Malfunction:
Detection Time:
|
|
Memorized |
DTC DETECTION CONDITION COMBINATION TABLE
| Vehicle Condition | ||||
|---|---|---|---|---|
| Pattern 1 | Pattern 2 | Pattern 3 | ||
| Diagnosis Condition | Ignition switch ON (READY) | ◦ | ◦ | ◦ |
| Malfunction | Error in communication line between the hybrid vehicle control ECU and compressor with motor assembly | ◦ | - | - |
| Open in communication line between the hybrid vehicle control ECU and compressor with motor assembly | - | ◦ | - | |
| High-voltage power source shut off | - | - | ◦ | |
| Detection Time | - | - | - | |
| Trip Count | 1 trip | 1 trip | 1 trip | |
HINT:
If the conditions of either of these patterns are detected, a DTC will be stored.