Component Location
General Description

As monitoring the errors of several sensors and actuator circuit, TCM related problem and ECM error, if any problem occurs, ECM turns Engine Check Lamp ON at cluster to notify driver the occurence of a problem. Generally, Engine Check Lamp turns ON at Ignition ON and turns OFF within couple of seconds after turning engine ON. If engine check lamp turns on during driving, perform diagnosis of engine system and auto-transaxle system.

DTC Description

P0650 is set when 1)excessive current is detected in engine check lamp control circuit for more than 1.0 sec.. at engine check lamp ON condition or 2)like open or short to ground, no current is detected. This code is due to open in control circuit or opened filament of lamp component.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

● Voltage monitoring

● Open in engine check lamp

● Engine check lamp circuit.

Enable Conditions

● IG KEY "ON" (Monitoring only performed within lamp operating condition)

Threshold Value

● Short to battery

● Short to GND

● Wiring open

Diagnostic Time

● 2.0 sec.

Fail Safe

Fuel Cut

NO

EGR Off

NO

Fuel Limit

NO

Check Lamp

OFF

Schematic Diagram
note
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