Lexus ES: Navigation Processor Malfunction (B15AD)
DESCRIPTION
This DTC is stored when a malfunction occurs in the navigation ECU.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
| B15AD | Navigation Processor Malfunction | When either condition below is met: -
A short to ground, short to +B or open occurs in the gyro signal circuit
-
Gyro sensor malfunction
| Navigation ECU |
CAUTION / NOTICE / HINT
NOTICE:
When replacing the navigation ECU, always replace it with a new one. If a navigation ECU which was installed to another vehicle is used, the following may occur:
-
A communication malfunction DTC may be stored.
-
The navigation ECU may not operate normally.
PROCEDURE
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble Codes
OK:
No DTCs are output.
| OK | | USE SIMULATION METHOD TO CHECK |
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