Network Message Chart
Module Network Input Messages - BCM
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| PATS start request target data | PCM | The PCM sends the BCM and the ABS module a challenge request for a valid ID. |
Module Network Input Messages - PCM
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| PATS control command | BCM | The response from the BCM supplying the PCM challenge ID. If the BCM ID response is incorrect, then PATS prevents the vehicle from starting. |
Module Network Input Messages - ABS Module
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| Immobilizer target 1 function | PCM | The immobilizer subtarget function sends a responce message to challenge message from the PCM. |
Module Network Input Messages - ABS Module
| Broadcast Message | Originating Module | Message Purpose |
|---|---|---|
| PATS sub-target command | ABS module | The response from the ABS module supplying the PCM challenge ID. If the ABS module ID response is incorrect, then PATS prevents the vehicle from starting. |