Lexus ES: Navigation Processor Malfunction (B15AD)
Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System (for Gasoline 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 |  | USE SIMULATION METHOD TO CHECK |
| NG | | REPLACE NAVIGATION ECU |
.gif)
READ NEXT:
GPS Antenna Connection Malfunction(short) (B15C0,B15C1)
DESCRIPTION These DTCs are stored when a malfunction occurs in the navigation antenna assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B15C0 GPS Antenna Connection
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
SEE MORE:
Power Trunk Lid does not Operate Using Cabin Switch
DESCRIPTION The trunk and fuel switch assembly (luggage compartment door opening switch) signal is sent to the luggage closer motor assembly. If the power trunk lid does not operate using the trunk and fuel (luggage compartment door opening switch), a trunk and fuel (luggage compartment door opening
Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE TRANSMISSION CONTROL SHAFT LEVER (a) Remove the nut, washer and transmission control shaft lever from the manual valve lever shaft sub-assembly. 2. REMOVE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (a) Remove the 2 bolts and park/neutral position switch a
© 2016-2026 Copyright www.lexguide.net
