DESCRIPTION
The power management control ECU detects a problem in the collision signal line from the center airbag sensor assembly and alerts the driver.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P3107-213 | Short to GND in the communication circuit Communication from the center airbag sensor 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
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 GTS to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.
Check for DTCs.
| Result | Proceed to |
|---|---|
| Airbag system DTCs are not output. | A |
| Airbag system DTCs are output. | B |
Turn the power switch off.
| B |
|
GO TO DTC CHART (AIRBAG SYSTEM) Click here |
| A |
|
CHECK CENTER AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM)
Connect an oscilloscope between the center airbag sensor assembly terminals specified in the table below.
Turn the power switch on (READY).
| *a | Component with harness connected (Center Airbag Sensor Assembly) |
Measure the waveform.
| Item | Contents |
|---|---|
| Terminal | N52-14 (GSW2) - N52-25 (E1) |
| Equipment Setting | 5 V/DIV., 500 ms./DIV. |
| Condition | Power switch on (READY) |
| Result | Proceed to |
|---|---|
| The waveform appears as shown in the illustration. | A |
| The waveform differs from the one shown in the illustration. | B |
Turn the power switch off.
| B |
|
CHECK CENTER AIRBAG SENSOR ASSEMBLY Click here |
| A |
|
CLEAR DTC
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
Read and record the DTCs and freeze frame data.
Clear the DTCs and freeze frame data.
Turn the power switch off.
| NEXT |
|
CHECK DTC OUTPUT (HYBRID CONTROL)
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
Check for DTCs.
| Result | Proceed to |
|---|---|
| P3107-213 is not output. | A |
| P3107-213 is output. | B |
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 CENTER AIRBAG SENSOR ASSEMBLY
Disconnect the N52 center airbag sensor assembly connector.
| *a | Component without harness connected (Center Airbag Sensor Assembly) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
Reconnect the N52 center airbag sensor assembly connector.
| NG |
|
REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - CENTER AIRBAG SENSOR ASSEMBLY)
Disconnect the N92 power management control ECU connector.
Disconnect the N52 center airbag sensor assembly connector.
| *a | Rear view of wire harness connector (to Power Management Control ECU) |
| *b | Rear view of wire harness connector (to Center Airbag Sensor Assembly) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
Reconnect the N52 center airbag sensor assembly connector.
Reconnect the N92 power management control ECU connector.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here