LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Engine Controls And Fuel - 3.6L (LF4 LGX) - DTC P0121 LF4 To DTC P0685 LF4) >> Diagnostic Information and Procedures >> DTC P0685-P0687, P0689, P0690, or P1682: Engine Controls Ignition Relay (LF4) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage
B+ P0689, P1682, P16A7, P16AF, P16BC P0685, P0689, P1682, P16A7, P16AF, P16BC -
Control P0686, P0690, P16B3, P16BF P0685, P0689, P1682, P16A7, P16AF, P16BC P0685, P0687, P0689, P1682, P16A7, P16AF, P16BC
Feedback P0689, P1682, P16A7, P16AF, P16BC P0689, P1682, P16A7, P16AF, P16BC P0690, P16B3, P16BF
scientia non olet · About LEMON Manuals