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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 4) (STI) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0606: Control Module Processor >> Diagnostic Method
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Diagnostic Method

Judge as NG when the following conditions are established.

Judgment1: Instruction check (a) 

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Instruction value Different from expected value

Judgment1: Instruction check (b) 

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Calculated result from CPU and FPU Different from expected value

Judgment2: Soft flow check 

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Process flow result The result and expected value do not match.

Judgment3: Soft monitor check 

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
High integrated IC motor continuity cut demand Exist

Judgment4: If the output IC operation is abnormal 

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Communication between output driver ICs Communication failure

Judgment5: CAN register check 

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Writing value to CAN register ? Read out value

Time needed for diagnosis: 

Judgment1 - (a): 2time(s)

Judgment1 - (b): 512ms

Judgment2: 504ms

Judgment3: 48ms

Judgment4: 2500ms

Judgment5: Less than 1 s

Malfunction indicator light illumination:  Illuminates as soon as a malfunction occurs.