| DTC Code | DTC Name |
|---|---|
| P3107-215 | Lost Communication with Airbag System Control Module |
DESCRIPTION
Refer to the description for DTC P3107-213 Click here.
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P3107 | 215 | Abnormal communication signal |
|
WIRING DIAGRAM
Refer to the wiring diagram for DTC P0AE6-225 Click here.
Refer to the wiring diagram for DTC P3107-213 Click here.
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 |
|
CLEAR DTC
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
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 | ||||||
|---|---|---|---|---|---|---|
|
Turn the power switch off.
| B |
|
CHECK AIRBAG SENSOR ASSEMBLY (CHECK WAVEFORM) Click here |
| A |
|
CHECK FOR INTERMITTENT PROBLEMS
| OK |
|
REPLACE AIRBAG SENSOR ASSEMBLY Click here |
| NG |
|
REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA |
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 | H36-14 (GSW2) - H36-25 (E1) |
| Equipment Setting | 5V/DIV., 500ms/DIV. |
| Condition | Power switch on (READY) |
| Result | ||||||
|---|---|---|---|---|---|---|
|
Turn the power switch off.
| A |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
| B |
|
CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR)
| *A | for LHD |
| *B | for RHD |
Check the connector connections and contact pressure of the relevant terminals for the power management control ECU connectors Click here.
| OK |
|---|
| The connectors are connected securely and there are no contact pressure problems. |
| NG |
|
CONNECT SECURELY |
| OK |
|
CHECK CONNECTOR CONNECTION CONDITION (AIRBAG SENSOR ASSEMBLY CONNECTOR)
| *a | Component with harness connected (Airbag Sensor Assembly) |
Check the connector connections and contact pressure of the relevant terminals for the airbag sensor assembly connectors.
| OK |
|---|
| The connectors are connected securely and there are no contact pressure problems. |
| NG |
|
CONNECT SECURELY |
| OK |
|
CHECK HARNESS AND CONNECTOR (+B SHORT)
| *1 | No. 2 Engine Room Relay Block |
| *2 | PM IGCT Fuse |
Remove the PM IGCT fuse from the No. 2 engine room relay block.
| *1 | Engine Room Relay Block and Junction Block Assembly |
| *2 | AM2 Fuse |
| *3 | ECU-IG2 NO. 3 Fuse |
Remove the AM2 fuse and ECU-IG2 NO. 3 fuse from the engine room relay block and junction block assembly.
| *a | Component without harness connected (Airbag Sensor Assembly) |
Disconnect the H36 airbag sensor assembly connector.
| *a | Component with harness connected (Power Management Control ECU) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Reconnect the H36 airbag sensor assembly connector.
Install the PM IGCT fuse, AM2 fuse and ECU-IG2 NO. 3 fuse.
| NG |
|
CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - AIRBAG SENSOR ASSEMBLY)
Disconnect the H1 power management control ECU connector.
Disconnect the H36 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 (Check for Open) | ||||||
|---|---|---|---|---|---|---|
|
| Standard Resistance (Check for Short) | ||||||
|---|---|---|---|---|---|---|
|
Tech Tips
As necessary, check that there is no short to power supply wires when performing the above wire harness inspection.
Reconnect the H36 airbag sensor assembly connector.
Reconnect the H1 power management control ECU connector.
| OK |
|
REPLACE AIRBAG SENSOR ASSEMBLY Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES)
| *1 | No. 2 Engine Room Relay Block |
| *2 | PM IGCT Fuse |
Remove the PM IGCT fuse from the No. 2 engine room relay block.
| *1 | Engine Room Relay Block and Junction Block Assembly |
| *2 | AM2 Fuse |
| *2 | ECU-IG2 NO. 3 Fuse |
Remove the AM2 fuse and ECU-IG2 NO. 3 fuse from the engine room relay block and junction block assembly.
| *a | Component without harness connected (Airbag Sensor Assembly) |
Disconnect the H36 airbag sensor assembly connector.
Disconnect the A31, A33, H1 and H2 power management control ECU connectors.
| *a | Rear view of wire harness connector (to Power Management Control ECU) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Reconnect the A31, A33, H1 and H2 power management control ECU connectors.
Reconnect the H36 airbag sensor assembly connector.
Install the PM IGCT fuse, AM2 fuse and ECU-IG2 NO. 3 fuse.
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |