Based on the vehicle information stored in engine-ECU, perform the proper engine control. This diagnostic code occurs when the vehicle information is not stored properly at engine-ECU replacement although which is stored at the factory before the delivery.
Ignition switch is “ON” position.
The vehicle information is not stored in engine-ECU, or the wrong vehicle information is stored.
After engine-ECU replacement, the vehicle information is not stored, or the wrong one is stored.
STEP 1. After perform variant coding, re-check the trouble symptoms