| 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 |
|
Does not come on | Master Warning Light: Comes on |
WIRING DIAGRAM
| *1 | Airbag Sensor Assembly |
| *2 | Power Management Control ECU |
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.
| 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).
| *a | Component with harness connected (Airbag Sensor Assembly) |
Measure the waveform.
| Item | Contents |
|---|---|
| Terminal | E14-14 (GSW2) - E14-25 (E1) |
| Equipment Setting | 5 V/DIV., 500 ms./DIV. |
| Condition | Power switch on (READY) |
| Result | ||||||
|---|---|---|---|---|---|---|
|
Turn the power switch off.
| B |
|
CHECK AIRBAG SENSOR ASSEMBLY Click here |
| A |
|
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.
| B |
|
REPLACE POWER MANAGEMENT CONTROL ECU for LHD: Click here |
| A |
|
CHECK INTERMITTENT PROBLEMS
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU for LHD: Click here |
| NG |
|
REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA |
CHECK AIRBAG SENSOR ASSEMBLY
Disconnect the E14 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 E14 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 E111 power management control ECU connector.
Disconnect the E14 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 E14 airbag sensor assembly connector.
Reconnect the E111 power management control ECU connector.
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU for LHD: Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |