Toyota Corolla Cross: Airbag ECU (Microcomputer) Internal Electronic Failure (B116049,...,P05BB00)
DESCRIPTION
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
Warning Indicate | Test Mode / Check Mode |
|---|---|---|---|---|---|
|
B116049 | Airbag ECU (Microcomputer) Internal Electronic Failure |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B11609E | Airbag ECU (Microcomputer) Stuck On |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116149 | Airbag ECU (Main ASIC) Internal Electronic Failure |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B11619E | Airbag ECU (Main ASIC) Stuck On |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116311 | Airbag ECU (IC and Device) Circuit Short to Ground |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116349 | Airbag ECU (IC and Device) Internal Electronic Failure |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B11639E | Airbag ECU (IC and Device) Stuck On |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B11639F | Airbag ECU (IC and Device) Stuck Off |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116449 | Airbag ECU (G Sensor 1) Internal Electronic Failure |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116483 | Airbag ECU (G Sensor 1) Value of Signal Protection Calculation Incorrect |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116484 | Airbag ECU (G Sensor 1) Signal Below Allowable Range |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116485 | Airbag ECU (G Sensor 1) Signal Above Allowable Range |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116549 | Airbag ECU (G Sensor 2) Internal Electronic Failure |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116583 | Airbag ECU (G Sensor 2) Value of Signal Protection Calculation Incorrect |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116584 | Airbag ECU (G Sensor 2) Signal Below Allowable Range |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116585 | Airbag ECU (G Sensor 2) Signal Above Allowable Range |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116649 | Airbag ECU (G Sensor 3) Internal Electronic Failure |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116683 | Airbag ECU (G Sensor 3) Value of Signal Protection Calculation Incorrect |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116684 | Airbag ECU (G Sensor 3) Signal Below Allowable Range |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116685 | Airbag ECU (G Sensor 3) Signal Above Allowable Range |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116749 | Airbag ECU (Roll Sensor) Internal Electronic Failure |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116783 | Airbag ECU (Roll Sensor) Value of Signal Protection Calculation Incorrect |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116784 | Airbag ECU (Roll Sensor) Signal Below Allowable Range |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116785 | Airbag ECU (Roll Sensor) Signal Above Allowable Range |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
B116800 | Airbag ECU Failure (Write Inhibit of EDR) |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
|
P05BB00 | Restraints Deployed |
Airbag ECU assembly malfunction |
Airbag ECU assembly | Comes on |
Does not apply to test/check mode |
CAUTION / NOTICE / HINT
HINT:
If any DTCs other than B116049, B11609E, B116149, B11619E, B116349, B11639E, B11639F, B116449, B116483, B116484, B116485, B116549, B116583, B116584, B116585, B116649, B116683, B116684, B116685, B116749, B116783, B116784, B116785, B116800, B116900 and P05BB00 are also output, troubleshoot those DTCs first.
PROCEDURE
| 1. |
CHECK DTC |
(a) Turn the ignition switch to ON, and wait for at least 60 seconds.
(b) Check for DTCs.
Body Electrical > SRS Airbag > Trouble Codes| Result |
Proceed to |
|---|---|
| Only B116049, B11609E, B116149, B11619E, B116349, B11639E, B11639F, B116449, B116483, B116484, B116485, B116549, B116583, B116584, B116585, B116649, B116683, B116684, B116685, B116749, B116783, B116784, B116785, B116800, B116900 or P05BB00 is output |
A |
| B116049, B11609E, B116149, B11619E, B116349, B11639E, B11639F, B116449, B116483, B116484, B116485, B116549, B116583, B116584, B116585, B116649, B116683, B116684, B116685, B116749, B116783, B116784, B116785, B116800, B116900 or P05BB00 and other DTCs are output |
B |
| B116049, B11609E, B116149, B11619E, B116349, B11639E, B11639F, B116449, B116483, B116484, B116485, B116549, B116583, B116584, B116585, B116649, B116683, B116684, B116685, B116749, B116783, B116784, B116785, B116800, B116900 and P05BB00 are not output |
C |
NOTICE:
If only DTC B116049, B11609E, B116149, B11619E, B116349, B11639E, B11639F, B116449, B116483, B116484, B116485, B116549, B116583, B116584, B116585, B116649, B116683, B116684, B116685, B116749, B116783, B116784, B116785, B116800, B116900 or P05BB00 is output, do not clear the DTCs, replace the airbag ECU assembly.
HINT:
If any DTCs other than DTC B116049, B11609E, B116149, B11619E, B116349, B11639E, B11639F, B116449, B116483, B116484, B116485, B116549, B116583, B116584, B116585, B116649, B116683, B116684, B116685, B116749, B116783, B116784, B116785, B116800, B116900 or P05BB00 are also output, troubleshoot those DTCs first.
| A |
.gif) | REPLACE AIRBAG ECU ASSEMBLY |
| B |
| GO TO DIAGNOSTIC TROUBLE CODE CHART |
| C |
| USE SIMULATION METHOD TO CHECK |
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