Diagnostic Aids

Prior to replacing PCM, check resistance of all PCM-controlled solenoids and relays. Replace any with a resistance value less than 20 ohms. EVRV solenoid cannot be checked with a DVOM due to solid state circuitry.

Fig 1: Code 32 Schematic ("C" & "K" Series) EGR Circuit Error Models Using Ported Vacuum & EVR Solenoid

Fig 2: Code 32 Schematic ("G" Series) EGR Circuit Error Models Using Ported Vacuum & EVR Solenoid

Fig 3: Code 32 Schematic ("P" Series 5.7L A/T) EGR Circuit Error Models Using Ported Vacuum & EVR Solenoid

Fig 4: Code 32 Schematic ("P" Series 5.7L M/T) EGR Circuit Error Models Using Ported Vacuum & EVR Solenoid

Fig 5: Code 32 Flow Chart EGR Circuit Error Models Using Ported Vacuum & EVR Solenoid