Circuit Description
The ignition key has to be registered before it is able to start the vehicle. If a key malfunction occurs during key code registration or the key was unable to be registered properly, DTC B2793 will set.
DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC B2793 Transponder Chip Malfunction
Conditions for Running the DTC
This DTC shall run when key is inserted into key cylinder.
Conditions for Setting the DTC
The key is not able to be registered.
Action Taken When the DTC Sets
The engine will not start.
Conditions for Clearing the DTC
The DTC will clear when conditions for setting the DTC have been repaired.
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Immobilizer Schematics Connector End View Reference: Immobilizer Connector End Views | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 | Attempt to re-register the key. Refer to Immobilizer System Component Programming . Does the re-registered key start the vehicle? | Go to Step 4 | Go to Step 3 |
3 |
Important: New key will have to be registered. Replace the key. Did you complete the replacement? | Go to Step 4 | -- |
4 |
Does the DTC reset? | Go to Step 2 | System OK |
