DESCRIPTION
If the DCM (Telematics Transceiver) detects an error in communication between the DCM (Telematics Transceiver) and the airbag sensor assembly as a result of the DCM (Telematics Transceiver) self check, this DTC will be set.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
B15C4 |
Airbag Signal Malfunction/Not Input |
DCM (Telematics Transceiver) detects an error in signals from airbag sensor assembly when ignition switch is ON. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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.
Click here
PROCEDURE
1. |
CHECK DTC (AIRBAG SYSTEM) |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch ON and wait for 10 seconds.
(d) Turn the Techstream on.
(e) Clear the DTCs.
Body Electrical > SRS Airbag > Clear DTCs(f) Recheck for DTCs.
Body Electrical > SRS Airbag > Trouble Codes
Result |
Proceed to |
---|---|
DTCs are not output |
A |
DTCs are output |
B |
B |
GO TO AIRBAG SYSTEM |
|
2. |
INSPECT DCM (TELEMATICS TRANSCEIVER) (GSW SIGNAL) |
(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 |
Switch Condition |
Specified Condition |
---|---|---|
F134-24 (GSW) - Body ground |
Ignition switch ON |
6.5 to 8.5 V |
Reference Waveform:
Item |
Condition |
---|---|
Tester connection |
F134-24 (GSW) - Body ground |
Tool setting |
5.0 V/DIV., 20 ms/DIV. |
Vehicle condition |
Ignition switch ON |
Result |
Proceed to |
---|---|
8.5 V or higher |
A |
Below 6.5 V |
B |
6.5 to 8.5 V |
C |
B |
GO TO STEP 4 |
C |
GO TO STEP 5 |
|
3. |
CHECK HARNESS AND CONNECTOR (FOR OPEN CIRCUIT) |
(a) Remove the airbag sensor assembly but do not disconnect the connectors.
Click here
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
Reference Waveform:
|
|
OK |
REPLACE AIRBAG SENSOR ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
4. |
CHECK HARNESS AND CONNECTOR (FOR SHORT CIRCUIT) |
(a) Disconnect the F134 DCM (Telematics Transceiver) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F134-24 (GSW) - Body ground |
Always |
10 kΩ or higher |
F70-24 (GSW3) - Body ground |
Always |
10 kΩ or higher |
NG |
GO TO STEP 6 |
|
5. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver).
Click here
NOTICE:
NEXT |
PERFORM DCM ACTIVATION |
6. |
CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - AIRBAG SENSOR ASSEMBLY) |
(a) Disconnect the F134 DCM (Telematics Transceiver) connector.
(b) Disconnect the F70 airbag sensor assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F134-24 (GSW) - F70-24 (GSW3) |
Always |
Below 1 Ω |
F134-24 (GSW) or F70-24 (GSW3) - Body ground |
Always |
10 kΩ or higher |
OK |
REPLACE AIRBAG SENSOR ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Lumbar Support Adjuster Assembly: Inspection
INSPECTION
PROCEDURE
1. INSPECT LUMBAR SUPPORT ADJUSTER ASSEMBLY
(a) Check the operation of the lumbar support adjuster assembly.
(1) Apply battery voltage to the lumbar motor connector, and check that
the lumbar support adjuster assembly operates smoothly as follows.
OK:
...
Toyota CH-R Owners Manual > Steps to take in an emergency: If the vehicle becomes stuck
Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
Stop the engine. Shift the shift lever to P, and set the parking brake.
Remove the mud, snow or sand from around the front wheels.
Place wood, stones or some other material under the fro ...