Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc p0605 internal control module read only memory (rom) error

Subaru Legacy BN/BS (2015-2019) Service Manual / Engine (diagnostics)(h4do) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc p0605 internal control module read only memory (rom) error

NOTE:

For the diagnostic procedure, refer to DTC P0606. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0606 CONTROL MODULE PROCESSOR

1. OUTLINE OF DIAGNOSIS

Judge as NG when SUM value of ROM is outside the standard value.

2. EXECUTION CONDITION

Secondary Parameters	Execution condition
None

Diagnosis with the initial routine.

3. GENERAL DRIVING CYCLE

Perform the diagnosis as soon as the ignition switch is turned to ON.

4. DIAGNOSTIC METHOD

Judge as NG if the criteria below are met.

Judgment Value

Malfunction Criteria	Threshold Value
SUM value of ROM	Malfunction

Time Needed for Diagnosis: 32 ms - 32 time(s)

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

Dtc p0606 control module processor

DTC DETECTING CONDITION:Immediately at fault recognitionTROUBLE SYMPTOM:• Improper idling• Poor driving performanceCAUTION:After servicing or replacing faulty parts, perform Clear Memory M ...

Dtc p0604 internal control module random access memory (ram) error

DTC DETECTING CONDITION:Immediately at fault recognitionTROUBLE SYMPTOM:• Engine does not start.• Engine stalls.CAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode ...

Other materials:

Inspection
1. Check that the fuel pump relay has no deformation, cracks or other damages.2. Measure the resistance between fuel pump relay terminals.Terminal No.Standard1 and 21 M- or more3 and 4130.4 — 230.8 - (when 20°C (68°F))3. Connect battery positive terminal to terminal No. 3 and battery ...