Tests HH: Exhaust Gas Recirculation System Module (ESM)

PINPOINT TEST HH: EXHAUST GAS RECIRCULATION SYSTEM MODULE (ESM)

This pinpoint test is intended to diagnose the following:

^ exhaust gas recirculation system module (ESM) (9Y456)
^ orifice tube assembly (9D477)
^ differential pressure feedback EGR (DPFE) sensor pressure hoses
^ vacuum lines
^ harness circuits: VREF DPFE SIGRTN EVR VPWR
^ powertrain control module (PCM) (12A650)

Reference:

Reference:

PCM Connector

Reference:

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