- DCM (Telematics Transceiver)
- Roof console box assembly
- Wire harness or connector
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJC2 |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - ] |
| Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15C5; Manual Button Malfunction; 2016 - 2020 MY Sienna [12/2015 - ] | ||
|
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. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B15C5 |
Open or short circuit in manual (SOS) switch is detected. |
|
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK DTC |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON and wait for 10 seconds.
(d) Turn the Techstream on.
(e) Perform "HEALTH CHECK" and check current DTC (See page
![2016 - 2017 MY Sienna [12/2015 - 11/2017]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: HEALTH CHECK](/t3Portal/stylegraphics/info.gif)
).
Result
|
Result |
Proceed to |
|---|---|
|
DTC B1570, B1571 and B15C5 are output |
A |
|
DTC B15C5 is output (DTC B1570 and B1571 are not output) |
B |
| B |
|
|
|
2. |
INSPECT ROOF CONSOLE BOX ASSEMBLY (MANUAL (SOS) SWITCH) |
|
(a) Disconnect the T4 roof console box assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
T4-15 (SIG1) - T4-13 (SIG2) |
Manual (SOS) switch not pressed |
410 to 414 Ω |
|
T4-15 (SIG1) - T4-13 (SIG2) |
Manual (SOS) switch pressed |
81 to 83 Ω |
Text in Illustration
|
*1 |
Component without harness connected (Roof Console Box Assembly) |
| NG |
|
|
|
3. |
CHECK HARNESS AND CONNECTOR (DCM - ROOF CONSOLE BOX) |
|
(a) Disconnect the D73 DCM (Telematics Transceiver) connector. |
|
(b) Disconnect the T4 roof console box assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D73-26 (SIG-) - T4-13 (SIG2) |
Always |
Below 1 Ω |
|
D73-26 (SIG-) - Body ground |
Always |
10 kΩ or higher |
Text in Illustration
|
*1 |
Front view of wire harness connector (to DCM (Telematics Transceiver)) |
|
*2 |
Front view of wire harness connector (to Roof Console Box Assembly) |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver) (See page
).
NOTICE:
- The ignition switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
|
PERFORM DCM ACTIVATION (See page
|
|
5. |
READ VALUE USING TECHSTREAM (MANUAL (SOS) SWITCH OPERATION) |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON 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.
Telematics
|
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 |
- |
Result
|
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 |
|
|
|
6. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver) (See page
).
NOTICE:
- The ignition switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
|
PERFORM DCM ACTIVATION (See page
|
|
7. |
INSPECT DCM (TELEMATICS TRANSCEIVER) (SIG1 VOLTAGE) |
|
(a) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors (See page
|
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
D73-27 (SIG1) - D73-26 (SIG-) |
Ignition switch ON, manual (SOS) switch not pressed |
1.4 to 1.8 V |
Text in Illustration
|
*1 |
Component with harness connected (DCM (Telematics Transceiver)) |
| NG |
|
|
|
8. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver) (See page
).
NOTICE:
- The ignition switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
|
PERFORM DCM ACTIVATION (See page
|
|
9. |
INSPECT ROOF CONSOLE BOX ASSEMBLY (MANUAL (SOS) SWITCH) |
|
(a) Disconnect the T4 roof console box assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
T4-15 (SIG1) - T4-13 (SIG2) |
Manual (SOS) switch not pressed |
410 to 414 Ω |
|
T4-15 (SIG1) - T4-13 (SIG2) |
Manual (SOS) switch pressed |
81 to 83 Ω |
Text in Illustration
|
*1 |
Component without harness connected (Roof Console Box Assembly) |
| NG |
|
REPLACE ROOF CONSOLE BOX ASSEMBLY |
|
|
10. |
CHECK HARNESS AND CONNECTOR (DCM - ROOF CONSOLE BOX) |
|
(a) Disconnect the D73 DCM (Telematics Transceiver) connector. |
|
(b) Disconnect the T4 roof console box assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D73-27 (SIG1) - T4-15 (SIG1) |
Always |
Below 1 Ω |
|
D73-27 (SIG1) - Body ground |
Always |
10 kΩ or higher |
Text in Illustration
|
*1 |
Front view of wire harness connector (to DCM (Telematics Transceiver)) |
|
*2 |
Front view of wire harness connector (to Roof Console Box Assembly) |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
11. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver) (See page
).
NOTICE:
- The ignition switch must be off.
- Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
| NEXT |
|
PERFORM DCM ACTIVATION (See page
|
|
|