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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2279 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) - DTC P060A - P2005) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P0690 - ECM/Pcm Power Relay Sense Circuit High

P0690 - ECM/Pcm Power Relay Sense Circuit High

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P0690 - ECM/PCM POWER RELAY SENSE CIRCUIT HIGH

Description:  This DTC sets when the voltage on the ISP-R and the INJPWRM or VPWR circuits do not correspond for a calibrated period of time.
Possible Causes: 
  • ISP-R circuit short to voltage
  • VPWR circuit open
  • INJPWRM circuit open
  • Damaged fuel pump relay
  • Damaged PCM power relay
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test B .