| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001PY6A |
| Model Year Start: 2021 | Model: Avalon HV | Prod Date Range: [08/2020 - ] |
| Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15CB11,B15CB13; Telephone Main Antenna Circuit Short to Ground; 2021 - 2022 MY Avalon Avalon HV [08/2020 - ] | ||
|
DTC |
B15CB11 |
Telephone Main Antenna Circuit Short to Ground |
|
DTC |
B15CB13 |
Telephone Main Antenna Circuit Open |
DESCRIPTION
This DTC is stored when the DCM (telematics transceiver) detects an open or a short in the telephone antenna (main) circuit.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B15CB11 |
Telephone Main Antenna Circuit Short to Ground |
Telephone antenna (main) impedance (Ω) is lower than the malfunction threshold for 10 seconds or more when the ignition switch is ON (Short circuit) |
|
|
B15CB13 |
Telephone Main Antenna Circuit Open |
Telephone antenna (main) impedance (Ω) is higher than the malfunction threshold for 10 seconds or more when the ignition switch is ON (Open circuit) |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Safety Connect System.
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![2021 MY Avalon Avalon HV [08/2020 - 08/2021]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: PRECAUTION](/t3Portal/stylegraphics/info.gif)
HINT:
Refer to "PARTS LOCATION" for the installation location of telephone and GPS antenna cord.
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PROCEDURE
|
1. |
CHECK DTC |
(a) Turn the ignition switch off.
(b) Connect the GTS to the DLC3.
(c) Turn the ignition switch to ON and wait for 10 seconds or more.
(d) Turn the GTS on.
(e) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs
(f) Recheck for DTCs.
Body Electrical > Telematics > Trouble Codes
OK:
No DTCs are output.
| OK |
|
|
|
2. |
INSPECT TELEPHONE AND GPS ANTENNA ASSEMBLY (for Roof Side) |
|
(a) Disconnect the telephone and GPS antenna assembly (for Roof Side) connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
4 - 4a |
Always |
9 to 11 kΩ |
| NG |
|
REPLACE TELEPHONE AND GPS ANTENNA ASSEMBLY (for Roof Side)
|
|
|
3. |
INSPECT TELEPHONE AND GPS ANTENNA CORD (NO. 2 ANTENNA CORD SUB-ASSEMBLY) |
|
(a) Disconnect the K telephone and GPS antenna cord (No. 2 antenna cord sub-assembly) connector. |
|
|
(b) Disconnect the J telephone and GPS antenna cord (No. 2 antenna cord sub-assembly) connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K-4 - J-3 |
Always |
Below 1 Ω |
|
K-4 or J-3 - Body ground |
Always |
10 kΩ or higher |
|
K-4a - J-3a |
Always |
Below 1 Ω |
|
K-4a or J-3a - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPLACE TELEPHONE AND GPS ANTENNA CORD (NO. 2 ANTENNA CORD SUB-ASSEMBLY)
|
|
|
4. |
INSPECT TELEPHONE AND GPS ANTENNA CORD (NO. 3 ANTENNA CORD SUB-ASSEMBLY) |
|
(a) Disconnect the I telephone and GPS antenna cord (No. 3 antenna cord sub-assembly) connector. |
|
|
(b) Disconnect the H telephone and GPS antenna cord (No. 3 antenna cord sub-assembly) connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I-3 - H-3 |
Always |
Below 1 Ω |
|
I-3 or H-3 - Body ground |
Always |
10 kΩ or higher |
|
I-3a - H-3a |
Always |
Below 1 Ω |
|
I-3a or H-3a - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPLACE TELEPHONE AND GPS ANTENNA CORD (NO. 3 ANTENNA CORD SUB-ASSEMBLY)
|
|
|
5. |
INSPECT TELEPHONE AND GPS ANTENNA CORD (NO. 4 ANTENNA CORD SUB-ASSEMBLY) |
|
(a) Disconnect the G telephone and GPS antenna cord (No. 4 antenna cord sub-assembly) connector. |
|
|
(b) Disconnect the E telephone and GPS antenna cord (No. 4 antenna cord sub-assembly) connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G-3 - E-3 |
Always |
Below 1 Ω |
|
G-3 or E-3 - Body ground |
Always |
10 kΩ or higher |
|
G-3a - E-3a |
Always |
Below 1 Ω |
|
G-3a or E-3a - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPLACE TELEPHONE AND GPS ANTENNA CORD (NO. 4 ANTENNA CORD SUB-ASSEMBLY)
|
|
|
6. |
INSPECT TELEPHONE AND GPS ANTENNA CORD (NO. 6 ANTENNA CORD SUB-ASSEMBLY) |
|
(a) Disconnect the D telephone and GPS antenna cord (No. 6 antenna cord sub-assembly) connector. |
|
|
(b) Disconnect the C telephone and GPS antenna cord (No. 6 antenna cord sub-assembly) connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D-3 - C-1 |
Always |
Below 1 Ω |
|
D-3 or C-1 - Body ground |
Always |
10 kΩ or higher |
|
D-3a - C-1a |
Always |
Below 1 Ω |
|
D-3a or C-1a - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPLACE TELEPHONE AND GPS ANTENNA CORD (NO. 6 ANTENNA CORD SUB-ASSEMBLY)
|
|
|
7. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver).
Click here
NOTICE:
- The ignition switch must be off.
- Do not swap the DCM (telematics transceiver) with one from another vehicle.
| NEXT |
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