Lexus ES: Navigation Processor Malfunction (B15AD)
Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System (for Hv Model) / 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:
| 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
| 1. | CHECK DTC |
(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 CodesOK:
No DTCs are output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
| NG | | REPLACE NAVIGATION ECU |
.gif)
READ NEXT:
Speed Signal Malfunction (B15C2)
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
Speaker Output Short (B15C3)
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
MOST Communication Malfunction (B15D0)
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:
Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message (U023587)
DESCRIPTION The forward recognition camera and millimeter wave radar sensor assembly communicate via CAN communication. If there is an error in the communication with the millimeter wave radar sensor assembly, the forward recognition camera stores DTC U023587. DTC No. Detection Item DTC Detec
Pressure Control Solenoid "B" Circuit Short to Ground or Open (P077514)
DESCRIPTION Refer to DTC P077512. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P077514 Pressure Control Solenoid "B" Circuit Short to Ground or Open While the vehicle is being driven so that gear changes occur, a short to ground or o
© 2016-2026 Copyright www.lexguide.net
