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Home › Saturn › 2001 › SW2 Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0418: Secondary Air Injection System Relay Circuit › Code Enable Criteria

Code Enable Criteria

Ignition is on.

DTC sets when air pump relay voltage is less than 1.25 volts for greater than 0.5 second when air pump relay is commanded off.