Component Location
General Description

PCM monitors errors through checksum. Every information consists of the combination of 0 and 1, checksum means summing up all values in a row. Thus, errors are recognized comparing checksum value and the memory value at PCM.

DTC Description

If real checksum does not accord with memory checksum, PCM sets P0601 and MIL(Malfunction Indication Lamp) turns on.

DTC Detecting Condition

Item

Detecting Condition

Possible cause

DTC Strategy

● Checksum check

● Faulty PCM

Enable Conditions

-

Threshold value

● Discordance between the real checksum and the memorized checksum

Diagnosis Time

● Continuous

MIL On Condition

● 1 driving cycle

Яндекс.Метрика