5.
Are any DTCs recorded ?
▶ Go to the DTC guide of recorded NO. in Scantool.
▶ System operates within specification.
There are two transformer for injector operation in side of ECM. 1 pilot and 1 main injection are operated by ECM in EURO 3 diesel engine therefore one transformer device is sufficient to control injector however, 2 pilot and if CPF is applied, 2 post injection are performed additionally by ECM in EURO 4 diesel engine thus, two transformer is required.
P062E is set when the problem of transforming system 2 for injector contol occurs. This code is due to the failure of transforming system inside of ECM.
※If battery voltage is low, this code can be set. Therefore, beforehand, check DTC code relevant to battery voltage and charging system.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy | ● Voltage monitoring | ● ECM internal error | ||
Enable Conditions | ● Engine running | |||
ThresholdValue | ● Power stage error for injectoer voltage control, CPU circuit failure | |||
DiagnosticTime | ● Immediately | |||
Fail Safe | Fuel Cut | YES | ||
EGR Off | NO | |||
Fuel Limit | NO | |||
MIL | YES | |||
ECM Component Inspection
IG KEY "OFF", ENGINE "OFF".
Disconnect ECM.
Replace ECM, check if abnormal operations disappear.
If problems are corrected, replace ECM.
After a repair, it is essential to verify that the fault is corrected.
After connecting Scantool select "DIAGNOSTIC TROUBLE CODES(DTCs)" mode.
Clear recorded DTC using Scantool.
Drive the vehicle within DTC "Enable conditions" in "General information".
After selecting "DIAGNOSTIC TROUBLE CODES(DTCs)" mode and check if DTC is recorded again.
Are any DTCs recorded ?
▶ Go to the DTC guide of recorded NO. in Scantool.
▶ System operates within specification.
