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 ground in the communication circuit: Communication from the airbag ECU assembly stopped and Circuit Low has been detected for a certain period. (1 trip detection logic) |
|
| DTC No. | Data List |
|---|---|
| P3107-213 | Collision Signal (Airbag) |
WIRING DIAGRAM
Refer to the wiring diagram for DTC P3107-214 Click here.
INSPECTION PROCEDURE
Tech Tips
After the repair, clear the DTCs and perform the following procedure to check that DTCs are not output.
Turn the power switch on (IG) and wait for 15 seconds or more.
PROCEDURE
CHECK DTC OUTPUT (SRS AIRBAG)
Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.
Check if DTCs are output.
| Result | ||||||
|---|---|---|---|---|---|---|
|
Turn the power 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 power switch on (READY).
Measure the waveform.
| Item | Contents |
|---|---|
| Terminal | I47-14 (GSW2) - I47-25 (E1) |
| Equipment Setting | 5V/DIV., 500ms/DIV. |
| Condition | Power switch on (READY) |
| Result | ||||||
|---|---|---|---|---|---|---|
|
| *a | Component with harness connected (Airbag Sensor Assembly) |
Turn the power switch off.
| B |
|
CHECK AIRBAG SENSOR ASSEMBLY Click here |
| A |
|
CLEAR DTC
Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
Clear DTCs and freeze frame data.
Turn the power switch off.
| NEXT |
|
CHECK DTC OUTPUT (HYBRID CONTROL)
Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
Check if DTCs are output.
| Result | ||||||
|---|---|---|---|---|---|---|
|
Turn the power switch off.
| B |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
| A |
|
CHECK FOR INTERMITTENT PROBLEMS
| NG |
|
REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA |
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here
CHECK AIRBAG SENSOR ASSEMBLY
Disconnect the I47 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 | ||||||
|---|---|---|---|---|---|---|
|
Reconnect the I47 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 I4 power management control ECU connector.
| *a | Component without harness connected (Airbag Sensor Assembly) |
Disconnect the I47 airbag sensor assembly connector.
Measure the resistance according to the value(s) in the table below.
| *a | Rear view of wire harness connector (to Power Management Control ECU) |
*b | Rear view of wire harness connector (to Airbag Sensor Assembly) |
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
Reconnect the I47 airbag sensor assembly connector.
Reconnect the I3 power management control ECU connector.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here