| 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. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P3107-213 | Lost Communication with Airbag System Control Module | Short to GND in the communication circuit Communication from the airbag sensor assembly stopped and Circuit Low has been detected for a certain period. (1 trip detection logic) |
|
Does not come on | Master Warning Light: Comes on |
| DTC No. | Data List |
|---|---|
| P3107-213 | Collision Signal (Airbag) |
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 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 | |||
|---|---|---|---|
|
Turn the power switch off.
| Airbag system DTCs are output. |
|
GO TO DTC CHART (AIRBAG SYSTEM) Click here |
| Airbag system DTCs are not output. |
|
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).
| *a | Component with harness connected (Airbag Sensor Assembly) |
Measure the waveform.
| Item | Contents |
|---|---|
| Terminal | K51-14 (GSW2) - K51-25 (E1) |
| Equipment Setting | 5 V/DIV., 500 ms./DIV. |
| Condition | Power switch on (READY) |
| Result | |||
|---|---|---|---|
|
Turn the power switch off.
| The waveform differs from the one shown in the illustration. |
|
CHECK AIRBAG SENSOR ASSEMBLY Click here |
| The waveform appears as shown in the illustration. |
|
CLEAR DTC
| Result | ||
|---|---|---|
|
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.
| Result | ||
|---|---|---|
|
| 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 | |||
|---|---|---|---|
|
Turn the power switch off.
| P3107-213 is output. |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
| P3107-213 is not output. |
|
CHECK FOR INTERMITTENT PROBLEMS
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
| NG |
|
REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA |
CHECK AIRBAG SENSOR ASSEMBLY
Disconnect the K51 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 K51 airbag sensor assembly connector.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE AIRBAG SENSOR ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - AIRBAG SENSOR ASSEMBLY)
Disconnect the K33 power management control ECU connector.
Disconnect the K51 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 | ||||||
|---|---|---|---|---|---|---|
|
Reconnect the K51 airbag sensor assembly connector.
Reconnect the K33 power management control ECU connector.
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |