Component Location
General Description

CAN communication Line consists of Low and High line so that each ECU can communicate their information for each other.

In order to adopt ECM(PCM) control for SPAS, SPAS and ECM(PCM) communicate each other.

DTC Description

Although SPAS ECU receives vehicle speed, but abnormal signal, through CAN Line, SPAS ECU sets this DTC. In case that one of CAN line is open or short in the circuit, CAN communication is possible.

DTC Deteting Condition

Item

Detecting Condition

Possible cause

DTC Strategy

•

Status for receving CAN message from ECM(PCM)

1.

Poor Connection

2.

ECM(PCM)

Enable Conditions

•

IG ON.

Threshold vlaue

•

SPAS ECU receives Invalid messages from ECM(PCM)

Diagnostic Time

•

Invalid CAN messages for more than 0.5 sec.

DTC Erasing Time

•

-

Diagnostic Circuit Diagram
Signal Waveform & Data
Яндекс.Метрика