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Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (P0171 To P0685) (2.0L) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0606 Control Module Processor >> Diagnostic Method

Diagnostic Method

Judge as NG if the criteria below are met.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
(1) Throttle minimum stop position ≥ 2.2 V
(2) The learned value of accelerator pedal position in back-up RAM area 1 The learned value of accelerator pedal position in back-up RAM area 2
(3) The sum of back-up RAM at the ECM shut down The sum of back-up RAM at the ECM powered-on
(4) Communication between main CPU and sub CPU Lost
(5) The calculated data of throttle control by main CPU The calculated data of throttle control by sub CPU
(6) The calculated data by main CPU The calculated data by FPU

Time Needed for Diagnosis: 

  1. Less than 1 second
  2. Less than 1 second
  3. Less than 1 second
  4. Less than 1 second
  5. Less than 1 second
  6. 200 ms

Malfunction Indicator Light Illumination:  Illuminates as soon as a malfunction occurs.

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