Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc p050b cold start ignition timing performance

Subaru Legacy BN/BS (2015-2019) Service Manual / Engine (diagnostics)(h6do) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc p050b cold start ignition timing performance

NOTE:

For the diagnostic procedure, refer to DTC P050A. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P050A COLD START IDLE CONTROL SYSTEM PERFORMANCE

1. OUTLINE OF DIAGNOSIS

NOTE:

For the detection standard, refer to DTC P050A. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P050A COLD START IDLE CONTROL SYSTEM PERFORMANCE

Dtc p0512 starter (switch) request circuit

DTC DETECTING CONDITION:Immediately at fault recognitionTROUBLE SYMPTOM:Failure of engine to startCAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPER ...

Dtc p0507 idle control system rpm - higher than expected

DTC DETECTING CONDITION:Detected when two consecutive driving cycles with fault occur.TROUBLE SYMPTOM:Engine keeps running at higher speed than specified idle speed.CAUTION:After servicing or replacin ...

Other materials:

Inspection
1. CHECK FUSE1. Remove the fuse and inspect visually.2. If the fuse is blown out, replace the fuse.NOTE:If the fuse is blown again, check the system wiring harness.2. CHECK RELAY1. Measure the resistance between blower motor relay terminals.Terminal No.Inspection conditionsStandardCircuit1 — 4Alwa ...