| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000ZL6K |
| Model Year Start: 2017 | Model: Sienna | Prod Date Range: [08/2016 - ] |
| Title: THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM(w/ Smart Key System): DIAGNOSTIC TROUBLE CODE CHART; 2017 - 2020 MY Sienna [08/2016 - ] | ||
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is stored during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
1. CERTIFICATION ECU DIAGNOSTIC TROUBLE CODE CHART
Certification ECU
|
DTC Code |
Detection Item |
Trouble Area |
See page |
|---|---|---|---|
|
B2784 |
Antenna Coil Open / Short |
- Engine switch - Certification ECU |
|
|
B278A |
Short to GND in Immobiliser System Power Source Circuit |
- Wire harness or connector - Engine switch - Certification ECU |
|
![2017 - 2020 MY Sienna [08/2016 - ]; THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM(w/ Smart Key System): B2784; Antenna Coil Open / Short](/t3Portal/stylegraphics/info.gif)
2. ECM DIAGNOSTIC TROUBLE CODE CHART
HINT:
The DTCs for the engine immobiliser system are specified above. If the other codes are output, check the DTC chart for the SFI system.
ECM
|
DTC Code |
Detection Item |
Trouble Area |
See page |
|---|---|---|---|
|
B279986 |
Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid |
- Wire harness or connector - ECM - Certification ECU |
|
|
B279A12 |
Engine Immobiliser System Circuit Short to Battery |
- Wire harness or connector - ECM - Certification ECU |
|
|
B279C95 |
Engine Immobiliser System Incorrect Assembly |
ECM |
|
|
|