| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM1000000026S82 |
| Model Year Start: 2023 | Model: RAV4 | Prod Date Range: [10/2022 - ] |
| Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15C464; Airbag Signal Signal Plausibility Failure; 2023 - 2024 MY RAV4 RAV4 HV [10/2022 - ] | ||
|
DTC |
B15C464 |
Airbag Signal Signal Plausibility Failure |
DESCRIPTION
If the DCM (telematics transceiver) detects an error in communication between the DCM (telematics transceiver) and the airbag ECU assembly as a result of the DCM (telematics transceiver) self check, this DTC will be stored.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
DTC Output from |
Priority |
|---|---|---|---|---|---|
|
B15C464 |
Airbag Signal Signal Plausibility Failure |
DCM (telematics transceiver) detects an error in signals from airbag ECU assembly when the ignition switch is ON |
|
Telematics |
A |
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.
Click here
![2023 - 2024 MY RAV4 RAV4 HV [10/2022 - ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: PRECAUTION](/t3Portal/stylegraphics/info.gif)
-
The vehicle is equipped with an SRS (Supplemental Restraint System) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the Precaution in the SRS.
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- When replacing the DCM (telematics transceiver), make sure to replace it with a new one.
-
After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
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PROCEDURE
|
1. |
CHECK DTC (AIRBAG SYSTEM) |
Pre-procedure1
(a) Turn the ignition switch to ON and wait for 10 seconds.
Procedure1
(b) Check the DTC of "AIRBAG SYSTEM".
Body Electrical > SRS Airbag > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
Post-procedure1
(c) None
| B |
|
|
|
2. |
CLEAR DTC |
Pre-procedure1
(a) Turn the ignition switch to ON and wait for 10 seconds or more.
Procedure1
(b) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs
Post-procedure1
(c) None
|
|
3. |
CHECK FOR DTC |
(a) Check for DTCs.
Body Electrical > Telematics > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
B15C464 is not output |
A |
|
B15C464 is output |
B |
| A |
|
|
|
4. |
CHECK DCM (TELEMATICS TRANSCEIVER) (GSW SIGNAL) |
Pre-procedure1
|
(a) Remove the DCM (telematics transceiver) but do not disconnect the connectors. HINT: Click here
|
|
Procedure1
(b) Check the input waveform.
(1) Check the signal waveform according to the condition(s) in the table below. (Check the waveform from the back of the wire harness connector of the DCM (telematics transceiver) while the airbag ECU assembly connectors are connected.)
Reference Waveform:
|
Item |
Condition |
|---|---|
|
Tester connection |
G131-13 (GSW) - Body ground |
|
Tool setting |
5.0 V/DIV., 20 ms/DIV. |
|
Vehicle condition |
Ignition switch ON |
OK:
The waveform is similar to that shown in the illustration.
Post-procedure1
(c) None
| NG |
|
|
|
5. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver).
HINT:
Click here
NOTICE:
- The ignition switch must be off.
- Do not exchange the DCM (telematics transceiver) with one from another vehicle.
| NEXT |
|
|
6. |
CHECK HARNESS AND CONNECTOR (DCM [TELEMATICS TRANSCEIVER] - AIRBAG ECU ASSEMBLY) |
Pre-procedure1
(a) Disconnect the G131 DCM (telematics transceiver) connector.
(b) Disconnect the G70 airbag ECU assembly connector.
Procedure1
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
G131-13 (GSW) - G70-23 (GSW3) |
Always |
Below 1 Ω |
|
G131-13 (GSW) - Body ground |
Always |
10 kΩ or higher |
Post-procedure1
(d) None
| OK |
|
REPLACE AIRBAG ECU ASSEMBLY
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|