DTC P3107-64: Lost Communication with Airbag System Control Module Signal Plausibility Failure [09/2022 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.

CHECK DTC OUTPUT (SRS AIRBAG)

Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes

Result

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

Result:

B

GO TO DTC CHART (AIRBAG SYSTEM). Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2022 - 11/2022] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2022 - ]

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)

Check for DTCs.

Powertrain > Hybrid Control > Trouble Codes

Result

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

Result:

B

See step 5

Result:

A

See step 4

CHECK FOR INTERMITTENT PROBLEMS
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]

Result

Proceed to

OK

NG

Result:

OK

REPLACE AIRBAG ECU ASSEMBLY. Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - ]

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 [09/2022 - ]

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:

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

Result:

OK

See step 9
CHECK HARNESS AND CONNECTOR (AIRBAG ECU ASSEMBLY - BODY GROUND)
See step 10

Result

Proceed to

OK

NG

Result:

OK

REPLACE AIR BAG ECU ASSEMBLY. Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - ]

Result:

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR