Navigation System (for HDD)

NAVIGATION: NAVIGATION SYSTEM (for HDD): B15DA: Rear Console Recognition Disconnected
B15DA - Rear Console Recognition Disconnected

DESCRIPTION

The display and navigation module display and rear power seat switch are connected by the AVC-LAN communication line. When an AVC-LAN communication error occurs between the display and navigation display and rear power seat switch, this DTC will be stored.





HINT
* Even if no fault is present, this DTC may be stored depending on the battery condition or engine start voltage.
* The display and navigation module display is the master unit.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)

(a) Check that optional components (including associated wiring) which generate radio waves are not installed.

Result





HINT
* Electrical noise from radio waves generated by optional components or the wiring for those components may affect AVC-LAN communication.
* This DTC may be stored when an AVC-LAN communication error occurs due to electrical noise.

B -- CHECK FOR DTC
A -- Continue to next step.

2. REMOVE OPTIONAL COMPONENTS

(a) Remove optional components (including associated wiring).

NOTICE:
Do not remove optional components or associated wiring without the permission of the customer.

NEXT -- Continue to next step.

3. CHECK FOR DTC

(a) Clear the DTCs Navigation System (for HDD).

(b) Check for DTCs and check if the same trouble occurs again.

OK:

No DTCs are output.

NG -- CHECK HARNESS AND CONNECTOR (REAR POWER SEAT SWITCH - BATTERY AND BODY GROUND)

OK -- END

4. CHECK HARNESS AND CONNECTOR (REAR POWER SEAT SWITCH - BATTERY AND BODY GROUND)

(a) Disconnect the S15*1 or r2*2 rear power seat switch connector.





*1: for 4-Passenger with Ottoman

*2: except 4-Passenger with Ottoman

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

for 4-Passenger with Ottoman
except 4-Passenger with Ottoman










(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

for 4-Passenger with Ottoman
except 4-Passenger with Ottoman










Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

5. CHECK HARNESS AND CONNECTOR (REAR POWER SEAT SWITCH - MULTI-MEDIA INTERFACE ECU)

(a) Disconnect the S15*1 or r2*2 rear power seat switch connector.

*1: for 4-Passenger with Ottoman

*2: except 4-Passenger with Ottoman

(b) Disconnect the R66 multi-media interface ECU.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

for 4-Passenger with Ottoman
except 4-Passenger with Ottoman










NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

6. REPLACE REAR POWER SEAT SWITCH

(a) Temporarily replace the rear power seat switch with a new or normally functioning one Removal.

(b) Clear the DTCs Navigation System (for HDD).

(c) Check for DTCs and check if the same trouble occurs again.

OK:

No DTCs are output.

NG -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY Removal

OK -- END