DTC P0689 - ECM/PCM Power Relay Sense Circuit Low

2019 Ford Explorer XLT, 2.3L Eng VIN H, FWDSECTION DTC P0689 - ECM/PCM Power Relay Sense Circuit Low
DTC DESCRIPTION P0689 - ECM/PCM POWER RELAY SENSE CIRCUIT LOW

Description:  This DTC sets when the ISP-R and the INJPWRM circuit voltages do not correspond for a calibrated period of time.
Possible Causes: 
  • Ignition circuit fuse
  • ISP-R circuit open
  • ISP-R circuit short to ground
  • VPWR circuit short to voltage
  • INJPWR circuit short to voltage
  • Damaged ignition switch
  • Damaged fuel pump relay
  • Damaged PCM power relay
Diagnostic Aids:  The INJPWRM PID voltage reading should be 0 volts when the ignition is in the OFF, ACC or LOCK position.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST B .
RENDER: 1.0x

NO RELATED

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