DTC P3107-64: Lost Communication with Airbag System Control Module Signal Plausibility Failure [08/2019 -]: Procedure

CHECK DTC OUTPUT (SRS AIRBAG)

Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Body Electrical / SRS Airbag / Trouble Codes.

Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes

Result

Result	Proceed to
DTCs are not output	A
DTCs are output	B

Turn the power switch off.

Result:

B

GO TO DTC CHART (AIRBAG SYSTEM). Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2019 - 07/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [07/2020 -]

Result:

A

See step 2

CLEAR DTC
Refer to PROCEDURE - Step 3

Result

Proceed to

NEXT

Result:

NEXT

See step 3

CHECK DTC OUTPUT (HYBRID CONTROL)

Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

Check for DTCs.

Powertrain > Hybrid Control > Trouble Codes

Result

Result	Proceed to
P3107-64 is not output	A
P3107-64 is output	B

Turn the power switch off.

Result:

B

See step 5

Result:

A

See step 4

CHECK FOR INTERMITTENT PROBLEMS
HINT:

Refer to CHECK FOR INTERMITTENT PROBLEMS [11/2015 -]

Result

Proceed to

OK

NG

Result:

OK

REPLACE AIRBAG ECU ASSEMBLY. Refer to REMOVAL [08/2019 - 07/2020] , or refer to REMOVAL [07/2020 -]

Result:

NG

REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

CHECK AIRBAG ECU ASSEMBLY (CHECK WAVEFORM)

See step 2

Result

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

Result:

A

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to REMOVAL [08/2019 - 07/2020] , or refer to REMOVAL [07/2020 -]

Result:

B

See step 6

CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU CONNECTOR)
Refer to PROCEDURE - Step 1

Result

Proceed to

OK

NG

Result:

NG

CONNECT SECURELY

Result:

OK

See step 7
CHECK CONNECTOR CONNECTION CONDITION (AIRBAG ECU ASSEMBLY CONNECTOR)
See step 7

Result

Proceed to

OK

NG

Result:

NG

CONNECT SECURELY

Result:

OK

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

Result

Proceed to

OK

NG

Result:

OK

REPLACE AIRBAG ECU ASSEMBLY. Refer to REMOVAL [08/2019 - 07/2020] , or refer to REMOVAL [07/2020 -]

Result:

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR