Operation CHARM: Car repair manuals for everyone.

H34 Check Circuit 538







- Check for continuity between pump motor relay connector pin B and switched B+ pin on 4-pin pump motor connector.

Pump Relay Connector:





Connector:





- Is continuity present?

YES -- Go to H35. H35 Check Pump Motor Ground

NO -- Service circuit 538 (GY/R). Restore vehicle. Retest system.