DTC Description

When the ECM detects an open in the OCV(Exhaust) control circuit, the ECM sets DTC P0078.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Electrical check(Exhaust)

1.

Poor connection

2.

Open circuit

3.

OCV(Exhaust)

Enable Conditions

-

Threshold Value

Open

Diagnostic Time

Continuous

MIL ON Condition

2 driving cycles

Яндекс.Метрика