Code No.C1624: 4WD/AWC ECU internal failure
OPERATION
4WD-ECU monitors the malfunction in the ECU.
DIAGNOSIS CODE SET CONDITION
RAM/ROM/EEPROM of 4WD-ECU has a failure.
PROBABLE CAUSES
Damaged harness wires and connectors
Malfunction of 4WD-ECU
note
Check the following contents, before replace the 4WD-ECU.
Check the battery normal value (Voltage or more 9V).
Check whether the diagnosis trouble code No.U1624 is stored again.