| DTC Code | DTC Name |
|---|---|
| P3107-213 | Airbag ECU Communication Circuit Malfunction |
DESCRIPTION
The power management control ECU (HV CPU) 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
INSPECTION PROCEDURE
PROCEDURE
CHECK DTC OUTPUT (SRS AIRBAG)
Connect the intelligent tester to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Body / SRS Airbag / DTC.
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.
| *a | Component with harness connected (Airbag Sensor Assembly (w/ Rear Pretensioner)) |
*b | Component with harness connected (Airbag Sensor Assembly (w/o Rear Pretensioner)) |
| Item | Contents |
|---|---|
| Terminal | H84-14 (GSW2) - H84-25 (E1) |
| Equipment Setting | 5V/DIV., 500ms/DIV. |
| Condition | Power switch on (READY) |
| Result | ||||||
|---|---|---|---|---|---|---|
|
Turn the power switch off.
| B |
|
CHECK AIRBAG SENSOR ASSEMBLY Click here |
| A |
|
CLEAR DTC
Connect the intelligent tester to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / DTC.
Clear DTCs and freeze frame data.
| NEXT |
|
CHECK DTC OUTPUT (HYBRID CONTROL)
Connect the intelligent tester to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / DTC.
Check if DTCs are output.
| Result | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
|||||||||
Turn the power switch off.
| B |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
| A |
|
CHECK FOR INTERMITTENT PROBLEMS
Check for intermittent problems Click here.
| NG |
|
REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA |
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here
CHECK AIRBAG SENSOR ASSEMBLY
Disconnect connector H84 from the airbag sensor assembly.
| *a | Component without harness connected (Airbag Sensor Assembly (w/ Rear Pretensioner)) |
| *b | Component without harness connected (Airbag Sensor Assembly (w/o Rear Pretensioner)) |
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 connector H3 from the power management control ECU.
Disconnect connector H84 from the airbag sensor assembly.
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 (w/ Rear Pretensioner)) |
| *c | Rear view of wire harness connector (to Airbag Sensor Assembly (w/o Rear Pretensioner)) |
- | - |
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
Connect the airbag sensor assembly connector.
Connect the power management control ECU connector.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here