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 |
READ NEXT:
DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly and information from the navigation antenna assembly, and then adjusts the vehicle position on the ma
DESCRIPTION This DTC is stored when a malfunction occurs in the speakers. DTC No. Detection Item DTC Detection Condition Trouble Area B15C3 Speaker Output Short A short is detected in
DESCRIPTION Navigation system components communicate with each other via MOST communication. If a line short or short to ground occurs in a MOST communication line, communication will not be possible
SEE MORE:
TERMINALS OF ECM ECM HINT: The standard voltage and resistance of each ECM terminal is shown in the table below. In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol)" for the terminals to be inspected. The standard voltage or resistance between the termina
DESCRIPTION The skid control ECU (brake actuator assembly) sends signals such as brake request signals to the ECM. If an abnormal signal is detected, the ECM stores DTC P163081. DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from P163081 Communication E
© 2016-2025 Copyright www.lexguide.net
