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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) >> Typical Scan Tool Data

Typical Scan Tool Data

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.
Engine Controls Ignition Relay Control Circuit Low Voltage, Open, and High Voltage Test Status-Component Commanded OFF

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Component commanded OFF
Parameter Normal Range:  The following illustrates the normal scan tool test status parameter state with no circuit conditions:
  • Component OFF - OK for Open/Low Voltage Test Status and Not Run for High Voltage Test Status
  • Component ON - Not Run for Open/Low Voltage Test Status and OK for High Voltage Test Status
B+ Malfunction Malfunction -
Control Malfunction Malfunction Not Run
Engine Controls Ignition Relay Control Circuit Low Voltage, Open, and High Voltage Test Status-Component Commanded ON

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Component commanded ON
Parameter Normal Range:  The following illustrates the normal scan tool test status parameter state with no circuit conditions:
  • Component OFF - OK for Open/Low Voltage Test Status and Not Run for High Voltage Test Status
  • Component ON - Not Run for Open/Low Voltage Test Status and OK for High Voltage Test Status
B+ Not Run Not Run -
Control Not Run Not Run Malfunction