| DTC Code | DTC Name |
|---|---|
| P3107-214 | 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 | 214 | Open or short to +B in the communication circuit |
|
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 if DTCs are output.
| Result | ||||||
|---|---|---|---|---|---|---|
|
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 | ||||||
|---|---|---|---|---|---|---|
|
Turn the power switch off.
| B |
|
CHECK CONNECTOR CONNECTION CONDITION (POWER MANAGEMENT CONTROL ECU CONNECTOR) 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 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 if DTCs are output.
| Result | ||||||
|---|---|---|---|---|---|---|
|
Turn the power switch off.
| B |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
| A |
|
CHECK FOR INTERMITTENT PROBLEMS
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
| NG |
|
REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA |
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 (CENTER AIRBAG SENSOR ASSEMBLY CONNECTOR)
| *a | Component with harness connected (Center Airbag Sensor Assembly) |
Check the connector connections and contact pressure of the relevant terminals for the center airbag sensor assembly connectors Click here.
| 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. 1 Engine Room Relay Block and Junction Block Assembly |
| *2 | IGCT No. 5 Fuse |
Remove the IGCT No. 5 fuse from the No. 1 engine room relay block and junction block assembly.
for LHD:
| *1 | Cowl Side Junction Block LH |
| *2 | LH-IG2 Fuse |
Remove the LH-IG2 fuse from the cowl side junction block LH.
| *1 | Cowl Side Junction Block RH |
| *2 | AM2 Fuse |
Remove the AM2 fuse from the cowl side junction block RH.
for RHD:
| *1 | Cowl Side Junction Block LH |
| *2 | LH-IG2 Fuse |
| *3 | AM2 Fuse |
Remove the LH-IG2 fuse and AM2 fuse from the cowl side junction block LH.
| *a | Component without harness connected (Center Airbag Sensor Assembly) |
Disconnect the connector from the center airbag sensor assembly.
| *a | Component with harness connected (Power Management Control ECU) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Connect the center airbag sensor assembly connector.
Install the LH-IG2 fuse, AM2 fuse and IGCT No. 5 fuse.
| NG |
|
CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - CENTER AIRBAG SENSOR ASSEMBLY)
Disconnect the connector from the power management control ECU.
Disconnect the connector from the center airbag sensor assembly.
| *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 (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.
Connect the center airbag sensor assembly connector.
Connect the power management control ECU connector.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK POWER MANAGEMENT CONTROL ECU
| *a | Component without harness connected (Center Airbag Sensor Assembly) |
Disconnect the connector from the center airbag sensor assembly.
Turn the power switch on (IG).
| *a | Component with harness connected (Power Management Control ECU) |
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
Note
Turning the power switch on (IG) with the center airbag sensor assembly connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.
Turn the power switch off.
Connect the center airbag sensor assembly connector.
| OK |
|
REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here |
| NG |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
CHECK HARNESS AND CONNECTOR (SHORT TO POWER SUPPLY WIRES)
| *1 | No. 1 Engine Room Relay Block and Junction Block Assembly |
| *2 | IGCT No. 5 Fuse |
Remove the IGCT No. 5 fuse from the No. 1 engine room relay block and junction block assembly.
for LHD:
| *1 | Cowl Side Junction Block LH |
| *2 | LH-IG2 Fuse |
Remove the LH-IG2 fuse from the cowl side junction block LH.
| *1 | Cowl Side Junction Block RH |
| *2 | AM2 Fuse |
Remove the AM2 fuse from the cowl side junction block RH.
for RHD:
| *1 | Cowl Side Junction Block LH |
| *2 | LH-IG2 Fuse |
| *3 | AM2 Fuse |
Remove the LH-IG2 fuse and AM2 fuse from the cowl side junction block LH.
| *a | Component without harness connected (Center Airbag Sensor Assembly) |
Disconnect the connector from the center airbag sensor assembly.
Disconnect all the connectors from the power management control ECU.
| *a | Component with harness connected (Power Management Control ECU) |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Connect the center airbag sensor assembly connector.
Install the LH-IG2 fuse, AM2 fuse and IGCT No. 5 fuse.
| OK |
|
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |