Toyota Corolla Cross: Telephone Sub Antenna Circuit Short to Ground (B153711,B153713)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the navigation antenna assembly circuit.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B153711 |
Telephone Sub Antenna Circuit Short to Ground |
Navigation antenna assembly impedance (Ω) is lower than the malfunction threshold for 10 seconds or more when the ignition switch is ON (Short circuit) |
|
|
B153713 |
Telephone Sub Antenna Circuit Open |
Navigation antenna assembly 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 Telematics System.
Click here
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- When replacing the DCM (telematics transceiver), make sure to replace it with a new one.
PROCEDURE
|
1. |
CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs
|
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|
2. |
CHECK DTC |
(a) Turn the ignition switch to ON and wait for 10 seconds or more.
(b) Check for DTCs and check that no DTCs are output.
Body Electrical > Telematics > Trouble Codes|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTC B153711 or B153713 is output |
B |
| A | .gif)
|
USE SIMULATION METHOD TO CHECK |
|
|
3. |
INSPECT NAVIGATION ANTENNA ASSEMBLY |
(a) Remove the navigation antenna assembly.
Click here
(b) Inspect the navigation antenna assembly.
Click here
| NG |
|
REPLACE NAVIGATION ANTENNA ASSEMBLY
|
|
|
4. |
INSPECT ANTENNA CORD SUB-ASSEMBLY |
|
(a) Disconnect the antenna cord sub-assembly from the navigation antenna assembly. |
|
(b) Disconnect the antenna cord sub-assembly from the DCM (telematics transceiver).
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A-4 - C-1 |
Always |
Below 1 Ω |
|
A-4a - C-1a |
Always |
Below 1 Ω |
|
A-4 - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPLACE ANTENNA CORD SUB-ASSEMBLY
|
|
|
5. |
REPLACE DCM(TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver) with a new one.
HINT:
Click here
| NEXT |
|
PERFORM DCM ACTIVATION |
READ NEXT:
Indicator (Red) Circuit Short to Ground (B157011,B157013)
DESCRIPTION
This DTC is stored when the DCM (telematics transceiver) detects
an open or short in the manual (SOS) switch red indicator circuit of the manual
(SOS) switch.
The manual (SOS) switch
Indicator (Green) Circuit Short to Ground (B157111,B157113)
DESCRIPTION
This DTC is stored when the DCM (telematics transceiver) detects
an open or short in the manual (SOS) switch green indicator circuit of the manual
(SOS) switch. The manual (SOS) switc
Microphone Circuit Open (B157213)
DESCRIPTION
This DTC is stored when the DCM (telematics transceiver) detects
a malfunction in the telephone microphone assembly circuit.
DTC No.
Detection Item
DTC
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Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 BACK DOOR OPENER SWITCH ASSEMBLY
84840G -
- -
2 BACK DOOR OUTSIDE GARNISH
76811 -
- - PROCEDURE
1. INSTALL BACK DOOR OPENER SWITCH ASSEM
