| DTC Code | DTC Name |
|---|---|
| P3107-213 | Lost Communication with Airbag System Control Module |
DESCRIPTION
The power management control ECU detects a problem in the collision signal line from the airbag sensor assembly and alerts the driver.
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P3107 | 213 | Short to GND in the communication circuit |
|
WIRING DIAGRAM
| *1 | Airbag Sensor Assembly |
| *2 | Power Management Control ECU |
CAUTION / NOTICE / HINT
Tech Tips
After the repair, clear the DTCs and perform the following procedure to check that DTCs are not output.
Turn the ignition switch to ON (IG) and wait for 15 seconds or more.
PROCEDURE
CHECK DTC OUTPUT (SRS AIRBAG)
Connect the GTS to the DLC3.
Turn the ignition switch to ON (IG).
Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.
Check if DTCs are output.
| Result | ||||||
|---|---|---|---|---|---|---|
|
Turn the ignition switch off.
| B |
|
GO TO DTC CHART (AIRBAG SYSTEM) Click here |
| A |
|
CHECK AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM)
Connect an oscilloscope between the airbag sensor assembly terminals specified in the table below.
Turn the ignition switch to ON (READY).
| *a | Component with harness connected (Airbag Sensor Assembly) |
Measure the waveform.
| Item | Contents |
|---|---|
| Terminal | F14-14 (GSW2) - F14-25 (E1) |
| Equipment Setting | 5 V/DIV., 500 ms/DIV. |
| Condition | Ignition switch ON (READY) |
| Result | ||||||
|---|---|---|---|---|---|---|
|
Turn the ignition switch off.
| B |
|
CHECK AIRBAG SENSOR ASSEMBLY Click here |
| A |
|
CLEAR DTC
Connect the GTS to the DLC3.
Turn the ignition switch to ON (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
Read and record the DTCs and freeze frame data.
Clear DTCs and freeze frame data.
Turn the ignition switch off.
| NEXT |
|
CHECK DTC OUTPUT (HYBRID CONTROL)
Connect the GTS to the DLC3.
Turn the ignition switch to ON (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
Check if DTCs are output.
| Result | ||||||
|---|---|---|---|---|---|---|
|
Turn the ignition switch off.
| B |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
| A |
|
CHECK FOR INTERMITTENT PROBLEMS
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
| NG |
|
REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA |
CHECK AIRBAG SENSOR ASSEMBLY
Disconnect the airbag sensor assembly connector.
| *a | Component without harness connected (Airbag Sensor Assembly) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
Connect the airbag sensor assembly connector.
| NG |
|
REPLACE AIRBAG SENSOR ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - AIRBAG SENSOR ASSEMBLY)
Disconnect the power management control ECU connector.
Disconnect the airbag sensor assembly connector.
| *a | Rear view of wire harness connector (to Power Management Control ECU) |
| *b | Rear view of wire harness connector (to Airbag Sensor Assembly) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
Connect the airbag sensor assembly connector.
Connect the power management control ECU connector.
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |