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Home >> Subaru >> 2020 >> Forester Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0606: Control Module Processor >> General Description >> Diagnostic Method

Diagnostic Method

Judge as NG when the following conditions are established.

JUDGMENT VALUE - DIAGNOSIS 1, 1 AND 1, 2

Malfunction Criteria Threshold Value
Instruction value Different from expected value
JUDGMENT VALUE - DIAGNOSIS 2

Malfunction Criteria Threshold Value
Process flow result The result and expected value do not match.
JUDGMENT VALUE - DIAGNOSIS 3

Malfunction Criteria Threshold Value
High integrated IC motor continuity cut demand Yes
JUDGMENT VALUE - DIAGNOSIS 4

Malfunction Criteria Threshold Value
Communication between output driver ICs Communication failure
JUDGMENT VALUE - DIAGNOSIS 5

Malfunction Criteria Threshold Value
Writing value to CAN register Not equal to the reading value
JUDGMENT VALUE - DIAGNOSIS 6

Malfunction Criteria Threshold Value
Absolute throttle position - Absolute throttle position memory when monitoring 1.6% or more
JUDGMENT VALUE - DIAGNOSIS 7

Malfunction Criteria Threshold Value
Data written in CPU Not equal to expected value
JUDGMENT VALUE - DIAGNOSIS 8

Malfunction Criteria Threshold Value
Data written in register Not equal to the reading value
JUDGMENT VALUE - DIAGNOSIS 9

Malfunction Criteria Threshold Value
(Actual engine output - Target engine output) - Map value 1900 kW or more
VEHICLE SPEED - MAP

Vehicle speed (km/h (MPH)) 0 (0) 10 (6.25) 20 (12.5) 30 (18.7 5) 40 (25) 50 (31.2 5) 60 (37.5) 70.4 (43.7 5) 80.5 (50) 91 (56.2 5) 101 (62.5)
Engine output (kW) 26 26 26 26 30 40 60 85 120 160 200

Time needed for diagnosis: 

Diagnosis 1-1: 2 times

Diagnosis 1-2: 8time(s)

Diagnosis 2: 504ms

Diagnosis 3: 48ms

Diagnosis 4: 2500ms

Diagnosis 5: Less than 1 s

Diagnosis 6: 24ms

Diagnosis 7: 2 times

Diagnosis 8: 2time(s)

Diagnosis 9: Less than 1 s

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