B1294

DTC B1294 Immobilizer ECU Communication Stop

DESCRIPTION

DTC Detection Condition:

DTC B1294 is output when communication between the transponder key ECU (immobilizer ECU) and the gateway ECU stops for more than 10 seconds.

Wiring Diagram:

Step 1-2:

Step 3:

INSPECTION PROCEDURE

HINT: When "+B or GND short malfunction of communication bus" DTCs (B1214 and B1215) are detected at the same time as "communication stop" DTC B1279, repair the "+B or GND short malfunction of communication bus" DTCs first.