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Home >> Subaru >> 2024 >> Impreza Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2.0L) (Diagnostics) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0606: Control Module Processor >> General Description >> Diagnostic Method
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnostic Method

Judge as NG when the following conditions are established.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
(1) Instruction value Different from expected value
(2) Process flow result The result and expected value do not match
(3) High integrated IC motor continuity cut demand Yes
(4) Communication between output driver ICs Communication failure
(5) Writing value to CAN register Not equal to the reading value
(6) Absolute throttle position - Absolute throttle position memory when monitoring 1.6 % or more
(7) Data written in CPU Not equal to expected value
(8) Data written in register Not equal to the reading value
(9) Diagnostic value
Formula when sampling time is 8 ms
DV = Σ[(Actual engine power - Target engine power) - Map]
1, 900 kW or more
VEHICLE SPEED SPECIFICATION - MAP

Vehicle speed (km/h (MPH)) 0 (0) 10 (6.25) 20 (12.5) 30 (18.75) 40 (25) 50 (31.25) 60 (37.5) 70.4 (43.75) 80.5 (50) 91 (56.25) 101 (62.5)
Engine output (kW) 26 26 26 26 30 40 60 85 120 160 200

Time needed for diagnosis: 

  1. (1) - 1: 2 times
  2. (1) - 2: 8 time(s)
  3. (2): 504 ms
  4. (3): 48 ms
  5. (4): 2500 ms
  6. (5): Less than 1 second
  7. (6): 24 ms
  8. (7): 2 times
  9. (8): 2time(s)
  10. (9): Less than 1 s

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