DTC P0604: Internal Control Module Random Access Memory (Ram) Error: Notes
1. -
DTC detecting condition:
Immediately at fault recognition
Trouble symptom:
- Engine does not start.
- Engine stall
NOTE:
After the faulty parts are repaired or replaced, perform the final check in Basic Diagnostic Procedure. Refer to ENGINE (DIAGNOSTICS) (H4DO (EXCEPT FOR HEV))>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE
.
- CHECK DTC
.
Using the Subaru Select Monitor or a general scan tool, read the DTC of [Engine]. Refer to ENGINE (DIAGNOSTICS) (H4DO (EXCEPT FOR HEV))>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC other than P0604 displayed? (Current malfunction)
Yes:
Check the appropriate DTC using the "Diagnostic Trouble Code (DTC)". Refer to ENGINE (DIAGNOSTICS) (H4DO (EXCEPT FOR HEV))>DIAGNOSTIC TROUBLE CODE (DTC) .
No:
Even if DTC is detected, the circuit has returned to a normal condition at this time.
Reproduce the failure, and then perform the diagnosis again.
NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.