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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Engine Controls And Fuel - 3.6L (LF4) - Diagnostic Information And Procedures (3 Of 3)) >> Diagnostic Information and Procedures >> DTC P0685-P0687, P0689, P0690, P1682, P16A7, P16AF, P16B3, P16BC, P16BD, or P16BF >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

Use the Wiring Schematics to identify the items/configurations listed below:

Terminal Identification

Circuit Configuration 1 Configuration 2 Configuration 3 Configuration 4 Configuration 5 Configuration 6
B+ - Relay Coil 85 85 86 86 30 1
B+ - Relay Switch 30 87 30 87 86 3
Control - Component 87 30 87 30 85 5
Control - Relay Coil 86 86 85 85 87 2
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