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Home >> Saturn >> 2006 >> Relay 3.9 1, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Controls - 3.5L - DTC P0496 To DTC U0107) >> DTC P1640, P1650, or P1660 >> Circuit/System Verification

Circuit/System Verification

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With the ignition ON, observe the Output Driver Status with a scan tool. All parameters should indicate OK or no fault present.