Toyota Avalon (XX50): Reverse Signal Circuit. Route cannot be Calculated. Satellite Radio Broadcast cannot be Received

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Audio, Visual, Telematics / Navigation / Multi Info Display / Navigation System(for Gasoline Model) / Reverse Signal Circuit. Route cannot be Calculated. Satellite Radio Broadcast cannot be Received

Reverse Signal Circuit

DESCRIPTION

The radio and display receiver assembly receives a reverse signal from the BKUP LP relay.

WIRING DIAGRAM

PROCEDURE

1.

CHECK BACK-UP LIGHT

(a) Move the shift lever to R and check if the back-up lights come on.

OK:

The back-up lights come on.

NG

GO TO LIGHTING SYSTEM

OK

2.

CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL)

(a) Disconnect the G3 radio and display receiver assembly connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

G3-28 (REV) - Body ground

Engine switch on (IG)

Shift lever in R

11 to 14 V

G3-28 (REV) - Body ground

Engine switch on (IG)

Shift lever not in R

Below 1 V

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

Route cannot be Calculated

PROCEDURE

1.

SET DESTINATION

(a) Set another destination and check if the system can calculate the route correctly.

OK:

Route can be correctly calculated.

OK

END

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Satellite Radio Broadcast cannot be Received

CAUTION / NOTICE / HINT

NOTICE:

Some satellite radio broadcasts require payment. A contract must be made between a satellite radio company and the user. If the contract expires, it will not be possible to listen to the broadcast.

PROCEDURE

1.

CHECK SURROUNDINGS

(a) Check if the vehicle is in an environment where reception is difficult due to something blocking the area above the vehicle.

*a

Example

*b

In a tunnel

*c

In a building

*d

Under an overpass

*e

In a forest or on tree-lined path

*f

Between tall buildings

*g

Under a cliff or overhang

-

-

HINT:

If the area above the vehicle is blocked, such as when in a building or tunnel, reception may not be possible.

OK:

Area above vehicle is not blocked.

NG

END (MOVE VEHICLE TO LOCATION WHERE RECEPTION IS BETTER)

OK

2.

CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

(a) Check if CH001 (free broadcast) can be received.

OK:

CH001 can be received.

NG

GO TO STEP 6

OK

3.

CHECK DISPLAY SETTING

(a) Check the display screen.

Result

Proceed to

"SAT Ch Unauth" is displayed.

A

"-----" is displayed.

B

None of the displays above are shown.

C

B

THERE IS NO SONG/PROGRAM TITLE OR ARTIST NAME/FEATURE ASSOCIATED WITH CHANNEL AT THAT TIME

C

GO TO STEP 6

A

4.

CHECK CONTRACT CONDITIONS

(a) Check if the pay-type contract has been extended, or if the contract period has ended.

OK:

Pay-type contract is valid.

NG

TO RECEIVE PAY-TYPE BROADCASTS, CONTRACT MUST BE MADE WITH SATELLITE RADIO COMPANY

OK

5.

PERFORM ACTIVATION REFRESH

(a) Perform activation refresh by referring to the satellite radio company web site (http://www.siriusxm.com).

OK:

Malfunction disappears.

HINT:

The SiriusXM radio ID that is necessary to perform activation refresh is displayed when CH000 is selected on the satellite radio.

OK

END

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

6.

CHECK DISPLAY

(a) Check the display screen.

Result

Proceed to

"SAT Ck Antenna" is displayed.

A

"SAT No Signal" is displayed.

B

"Loading" is displayed.

"SAT Ch Off Air" is displayed.

C

After "SAT Ch Unavail" is displayed, display automatically switches to CH001.

D

None of the displays above are shown.

E

B

END (MOVE VEHICLE TO LOCATION WHERE RECEPTION IS BETTER)

C

CHANNEL IS CURRENTLY NOT BEING BROADCASTED. BROADCAST CAN BE LISTENED TO OR VIEWED WHEN IT IS BACK ON AIR. (CHECK WITH RADIO STATION)

D

CHANNEL BROADCAST HAS ENDED (CHECK WITH RADIO STATION)

E

GO TO STEP 11

A

7.

REPLACE NO. 4 ANTENNA CORD SUB-ASSEMBLY

(a) Replace the No. 4 antenna cord sub-assembly with a new or known good one and check if radio broadcasts can be received normally.

Click here

OK:

Radio broadcasts can be received normally.

OK

END

NG

8.

REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY

(a) Replace the No. 3 antenna cord sub-assembly with a new or known good one and check if radio broadcasts can be received normally.

Click here

OK:

Radio broadcasts can be received normally.

OK

END

NG

9.

REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY

(a) Replace the No. 2 antenna cord sub-assembly with a new or known good one and check if radio broadcasts can be received normally.

Click here

OK:

Radio broadcasts can be received normally.

OK

END

NG

10.

REPLACE TELEPHONE ANTENNA ASSEMBLY

(a) Replace the telephone antenna assembly with a new or known good one and check if radio broadcasts can be received normally.

Click here

OK:

Radio broadcasts can be received normally.

OK

END

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

11.

CHECK CURRENTLY SELECTED CHANNEL

(a) Check if CH000 is currently selected.

OK:

CH000 is selected.

OK

END (CH000 HAS NO SOUND. SELECT ANOTHER CHANNEL.)

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Audio And Visual System(for Hv Model): Radio Receiver Power Source Circuit. Registered Device cannot be Deleted. Reverse Signal Circuit
Radio Receiver Power Source Circuit DESCRIPTION This is the power source circuit to operate the radio and display receiver assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE 1. CHECK HARN ...

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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