| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM10000000157FK |
| Model Year Start: 2018 | Model: Camry | Prod Date Range: [06/2017 - 09/2019] |
| Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15C5; Manual Button Malfunction; 2018 - 2019 MY Camry [06/2017 - 09/2019] | ||
|
DTC |
B15C5 |
Manual Button Malfunction |
DESCRIPTION
This DTC is set when the DCM (Telematics Transceiver) detects an open or short circuit in the manual (SOS) switch.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B15C5 |
Manual Button Malfunction |
Open or short circuit in manual (SOS) switch is detected. |
|
WIRING DIAGRAM
w/o Sliding Roof
w/ Sliding Roof
CAUTION / NOTICE / HINT
HINT:
Before performing this diagnostic procedure, make sure to perform Health Check and confirm that the DCM/VIN registration information is correct.
Click here
![2018 - 2019 MY Camry [03/2017 - 09/2019]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: HEALTH CHECK](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CONFIRM MODEL |
(a) Choose the model to be inspected.
|
Result |
Proceed to |
|---|---|
|
w/ Sliding Roof |
A |
|
w/o Sliding Roof |
B |
| B |
|
|
|
2. |
CHECK DTC |
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG) and wait for 10 seconds.
(d) Turn the Techstream on.
(e) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs
(f) Recheck for DTCs.
Body Electrical > Telematics > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTC B1570, B1571 and B15C5 are output |
A |
|
DTC B15C5 is output (DTC B1570 and B1571 are not output) |
B |
| B |
|
|
|
3. |
INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH) |
|
(a) Disconnect the V14 roof console box sub-assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
24 (SIG1) - 16 (GND3) |
Manual (SOS) switch not pressed |
410 to 414 Ω |
|
24 (SIG1) - 16 (GND3) |
Manual (SOS) switch pressed |
81 to 83 Ω |
| NG |
|
|
|
4. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - ROOF CONSOLE BOX SUB-ASSEMBLY) |
(a) Disconnect the K12 DCM (Telematics Transceiver) connector.
(b) Disconnect the V14 roof console box sub-assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K12-26 (SIG-) - V14-16 (GND3) |
Always |
Below 1 Ω |
|
K12-26 (SIG-) or V14-16 (GND3) - Body ground |
Always |
10 kΩ or higher |
|
K12-27 (SIG1) - V14-24 (SIG1) |
Always |
Below 1 Ω |
|
K12-27 (SIG1) or V14-24 (SIG1) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
5. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver).
Click here
NOTICE:
- The engine switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
|
|
6. |
READ VALUE USING TECHSTREAM (MANUAL (SOS) SWITCH OPERATION) |
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG) and wait for 10 seconds.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Telematics / Data List.
(f) Check that the manual (SOS) switch condition observed on the Techstream changes according to manual (SOS) switch operation.
Body Electrical > Telematics > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Emergency Switch |
Manual (SOS) switch |
OFF or ON |
OFF: Manual (SOS) switch not pressed ON: Manual (SOS) switch pressed* |
- |
Body Electrical > Telematics > Data List
|
Tester Display |
|---|
|
Emergency Switch |
- *: Pressing the manual (SOS) switch will connect to the call center.
|
Result |
Proceed to |
|---|---|
|
Techstream display changes when turning the manual (SOS) switch ON/OFF |
A |
|
Techstream display does not change when turning the manual (SOS) switch ON/OFF |
B |
| B |
|
|
|
7. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver).
Click here
NOTICE:
- The engine switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
|
|
8. |
INSPECT DCM (TELEMATICS TRANSCEIVER) (SIG1 VOLTAGE) |
|
(a) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors. Click here
|
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K12-27 (SIG1) - K12-26 (SIG-) |
Engine switch on (IG), manual (SOS) switch not pressed |
1.5 to 2.0 V |
| NG |
|
|
|
9. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver).
Click here
NOTICE:
- The engine switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
|
|
10. |
INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH) |
|
(a) Disconnect the V14 roof console box sub-assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
24 (SIG1) - 16 (GND3) |
Manual (SOS) switch not pressed |
410 to 414 Ω |
|
24 (SIG1) - 16 (GND3) |
Manual (SOS) switch pressed |
81 to 83 Ω |
| NG |
|
|
|
11. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - ROOF CONSOLE BOX ASSEMBLY) |
(a) Disconnect the K12 DCM (Telematics Transceiver) connector.
(b) Disconnect the V14 roof console box sub-assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K12-27 (SIG1) - V14-24 (SIG1) |
Always |
Below 1 Ω |
|
K12-27 (SIG1) or V14-24 (SIG1) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
12. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver).
Click here
NOTICE:
- The engine switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
|
|
13. |
CHECK DTC |
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG) and wait for 10 seconds.
(d) Turn the Techstream on.
(e) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs
(f) Recheck for DTCs.
Body Electrical > Telematics > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTC B1570, B1571 and B15C5 are output |
A |
|
DTC B15C5 is output (DTC B1570 and B1571 are not output) |
B |
| B |
|
|
|
14. |
INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH) |
|
(a) Disconnect the V18 roof console box sub-assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
17 (SIG1) - 12 (GND3) |
Manual (SOS) switch not pressed |
410 to 414 Ω |
|
17 (SIG1) - 12 (GND3) |
Manual (SOS) switch pressed |
81 to 83 Ω |
| NG |
|
|
|
15. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - ROOF CONSOLE BOX SUB-ASSEMBLY) |
(a) Disconnect the K12 DCM (Telematics Transceiver) connector.
(b) Disconnect the V18 roof console box sub-assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K12-26 (SIG-) - V18-12 (GND3) |
Always |
Below 1 Ω |
|
K12-26 (SIG-) or V18-12 (GND3) - Body ground |
Always |
10 kΩ or higher |
|
K12-27 (SIG1) - V18-17 (SIG1) |
Always |
Below 1 Ω |
|
K12-27 (SIG1) or V18-17 (SIG1) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
16. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver).
Click here
NOTICE:
- The engine switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
|
|
17. |
READ VALUE USING TECHSTREAM (MANUAL (SOS) SWITCH OPERATION) |
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG) and wait for 10 seconds.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Telematics / Data List.
(f) Check that the manual (SOS) switch condition observed on the Techstream changes according to manual (SOS) switch operation.
Body Electrical > Telematics > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Emergency Switch |
Manual (SOS) switch |
OFF or ON |
OFF: Manual (SOS) switch not pressed ON: Manual (SOS) switch pressed* |
- |
Body Electrical > Telematics > Data List
|
Tester Display |
|---|
|
Emergency Switch |
- *: Pressing the manual (SOS) switch will connect to the call center.
|
Result |
Proceed to |
|---|---|
|
Techstream display changes when turning the manual (SOS) switch ON/OFF |
A |
|
Techstream display does not change when turning the manual (SOS) switch ON/OFF |
B |
| B |
|
|
|
18. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver).
Click here
NOTICE:
- The engine switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
|
|
19. |
INSPECT DCM (TELEMATICS TRANSCEIVER) (SIG1 VOLTAGE) |
|
(a) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors. Click here
|
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K12-27 (SIG1) - K12-26 (SIG-) |
Engine switch on (IG), manual (SOS) switch not pressed |
1.5 to 2.0 V |
| NG |
|
|
|
20. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver).
Click here
NOTICE:
- The engine switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
|
|
21. |
INSPECT ROOF CONSOLE BOX SUB-ASSEMBLY (MANUAL (SOS) SWITCH) |
|
(a) Disconnect the V18 roof console box sub-assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
17 (SIG1) - 12 (GND3) |
Manual (SOS) switch not pressed |
410 to 414 Ω |
|
17 (SIG1) - 12 (GND3) |
Manual (SOS) switch pressed |
81 to 83 Ω |
| NG |
|
|
|
22. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - ROOF CONSOLE BOX ASSEMBLY) |
(a) Disconnect the K12 DCM (Telematics Transceiver) connector.
(b) Disconnect the V18 roof console box sub-assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K12-27 (SIG1) - V18-17 (SIG1) |
Always |
Below 1 Ω |
|
K12-27 (SIG1) or V18-17 (SIG1) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
23. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver).
Click here
NOTICE:
- The engine switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
|
|
|