RM36D0EC _51 Engine / Hybrid System _083048 HYBRID / BATTERY CONTROL _0709511 HYBRID CONTROL SYSTEM C

HYBRID / BATTERY CONTROL  HYBRID CONTROL SYSTEM  P310764  Lost Communication with Airbag System Control Module Signal Plausibility Failure  


DESCRIPTION

Refer to the description for DTC P310711.

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>HYBRID CONTROL SYSTEM>P310711

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate Note
P310764 Lost Communication with Airbag System Control Module Signal Plausibility Failure Abnormal communication signal:
Communication from the airbag sensor assembly stopped and signal plausibility failure has been detected for a certain period.
(1 trip detection logic)
·

Wire harness or connector

·

Airbag sensor assembly

·

Hybrid vehicle control ECU assembly


Does not come on Master Warning:
Comes on
SAE Code:
P3107

Related Data List
DTC No. Data List
P310764 Airbag Status (Collision)

CONFIRMATION DRIVING PATTERN

HINT:

After repair has been completed, clear the DTCs and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>HYBRID CONTROL SYSTEM>UTILITY


1.

Connect the GTS to the DLC3.

2.

Turn the power switch on (IG) and turn the GTS on.

3.

Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).

4.

Turn the power switch off and wait for 2 minutes or more.

5.

Turn the power switch on (IG) and turn the GTS on.

6.

With power switch on (IG) and wait for 2 minutes or more.

7.

Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.

8.

Check the DTC judgment result.

HINT:
·

If the judgment result shows NORMAL, the system is normal.

·

If the judgment result shows ABNORMAL, the system has a malfunction.

·

If the judgment result shows INCOMPLETE, perform driving pattern again.




PROCEDURE

1.CHECK DTC OUTPUT (SRS AIRBAG)
a.

Connect the GTS to the DLC3.


b.

Turn the power switch on (IG).


c.

Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.


d.

Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes
50001 188
Result:
Result Proceed to
Airbag system DTCs are not output. A
Airbag system DTCs are output. B



e.

Turn the power switch off.



A

2.CLEAR DTC

B

3.CHECK DTC OUTPUT (HYBRID CONTROL)
a.

Connect the GTS to the DLC3.


b.

Turn the power switch on (IG).


c.

Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.


d.

Check for DTCs.

Powertrain > Hybrid Control > Trouble Codes
50001 397
Result:
Result Proceed to
P310764 is not output. A
P310764 is output again. B



e.

Turn the power switch off.



A

4.CHECK FOR INTERMITTENT PROBLEMS

B

5.CHECK AIRBAG ECU ASSEMBLY (CHECK WAVEFORM)
5.CHECK AIRBAG ECU ASSEMBLY (CHECK WAVEFORM)

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>HYBRID CONTROL SYSTEM>P310711

Result:
Result Proceed to
The waveform appears as shown in the illustration. A
The waveform differs from the one shown in the illustration. B



A

B

6.CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU ASSEMBLY CONNECTOR)
6.CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU ASSEMBLY CONNECTOR)

OK

7.CHECK CONNECTOR CONNECTION CONDITION (AIRBAG ECU ASSEMBLY CONNECTOR)

NG

CONNECT SECURELY

7.CHECK CONNECTOR CONNECTION CONDITION (AIRBAG ECU ASSEMBLY CONNECTOR)

OK

8.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - AIRBAG ECU ASSEMBLY)

NG

CONNECT SECURELY

8.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - AIRBAG ECU ASSEMBLY)

OK

9.CHECK HARNESS AND CONNECTOR (AIRBAG ECU ASSEMBLY - BODY GROUND)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

9.CHECK HARNESS AND CONNECTOR (AIRBAG ECU ASSEMBLY - BODY GROUND)

OK

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR