Component Location
General Description

The EPS(MDPS=Motor Driving Power Steering) varies the amount of assistance based on the vehicle speed. The vehicle speed is sent to the EPS via CAN.

DTC Description

If EPS(MDPS=Motor Driving Power Steering) ECU does not recieve the vehicle's speed signal correctly, then the Error Code C1622 will be generated.

DTC Detecting Condition

Item

Detecting Condition

Possible cause

DTC Strategy

•

Check signal

1.

Faulty ECM

Enable conditions

•

IG ON

Threshold value

•

Vehicle speed signal is INVALID

Fail Safe

•

EPS ECU sets vehicle speed as 80kph

Restoration conditions

•

EPS ECU receives signal from other ECU

Diagnostic Circuit Diagram
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