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Home >> Saturn >> 2007 >> Vue Red Line, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 946 (Suspension Control System - Automatic Level Control) >> Diagnostic Information and Procedures >> DTC C0712 (With F55) >> Component Testing >> Relay Test
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Relay Test

WARNING: This page is about a different car, the 2008 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the relay.
  2. Test for 50-200 ohms between terminals 85 and 86.
    • If the resistance is not within the specified range, replace the relay.
  3. Test for infinite resistance between the following terminals:
    • 30 and 86
    • 30 and 87
    • 30 and 85
    • 85 and 87
    • If not the specified value, replace the relay.
  4. Install a 20A fused jumper wire between relay terminal 85 and 12 volts. Install a jumper wire between relay terminal 86 and ground. Test for less than 2.0 ohms between terminals 30 and 87.
    • If greater than the specified range, replace the relay.
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