DESCRIPTION
Refer to the description for DTC P310711.
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DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
---|---|---|---|---|---|
P310764 | Lost Communication with Airbag System Control Module Signal Plausibility Failure | Abnormal communication signal: Communication from the airbag ECU assembly stopped and signal plausibility failure has been detected for a certain period. (1 trip detection logic) |
| Does not come on | Master Warning Light: Comes on |
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.
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HINT:
WIRING DIAGRAM
Refer to the wiring diagram for DTC P310711.
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PROCEDURE
1. | CHECK DTC OUTPUT (SRS AIRBAG) |
(a) Connect the Techstream 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 CodesResult | Proceed to |
---|---|
Airbag system DTCs are not output. | A |
Airbag system DTCs are output. | B |
(e) Turn the power switch off.
B | GO TO DTC CHART (AIRBAG SYSTEM (for HV Model)) |
|
2. | CLEAR DTC |
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|
3. | CHECK DTC OUTPUT (HYBRID CONTROL) |
(a) Connect the Techstream 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 CodesResult | Proceed to |
---|---|
P310764 is not output. | A |
P310764 is output again. | B |
(e) Turn the power switch off.
B | GO TO STEP 5 |
|
4. | CHECK FOR INTERMITTENT PROBLEMS |
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OK | REPLACE AIR BAG ECU ASSEMBLY |
NG | REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA |
5. | CHECK AIR BAG ECU ASSEMBLY (CHECK WAVEFORM) |
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Result | Proceed to |
---|---|
The waveform appears as shown in the illustration. | A |
The waveform differs from the one shown in the illustration. | B |
A | REPLACE HYBRID VEHICLE CONTROL ECU |
|
6. | CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU CONNECTOR) |
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NG | CONNECT SECURELY |
|
7. | CHECK CONNECTOR CONNECTION CONDITION (AIRBAG ECU ASSEMBLY CONNECTOR) |
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NG | CONNECT SECURELY |
|
8. | CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - AIRBAG ECU ASSEMBLY) |
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NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
9. | CHECK HARNESS AND CONNECTOR (AIRBAG ECU ASSEMBLY - BODY GROUND) |
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OK | REPLACE AIR BAG ECU ASSEMBLY |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |