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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1187 (Engine Cooling System) >> Diagnostic Information and Procedures >> DTC P2600-P2603 >> Typical Scan Tool Data >> Notes
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Typical Scan Tool Data: Notes

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Aux. Coolant Pump Ckt. Short Gnd, Open, and Short Volts 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 parameter state with no circuit conditions:
  • Component OFF - OK for Open/Short Gnd test and Not Run for Short to Volts test
  • Component ON - Not Run for Open/Short Gnd test and OK for Short to Volts test
Ignition Voltage Fault Fault -
Auxiliary Coolant Pump Relay Control Fault Fault Not Run
Aux. Coolant Pump Ckt. Short Gnd, Open, and Short Volts 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 parameter state with no circuit conditions:
  • Component OFF - OK for Open/Short Gnd test and Not Run for Short to Volts test
  • Component ON - Not Run for Open/Short Gnd test and OK for Short to Volts test
Ignition Voltage Not Run Not Run -
Auxiliary Coolant Pump Relay Control Not Run Not Run Fault
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