Pinpoint Test QB: DTCS P0603 Or P1633: Keep Alive Power: Introduction: Notes

This pinpoint test is intended to diagnose the following:

• battery terminal condition
• keep alive power (KAPWR) wire routing
• harness circuit: KAPWR
• powertrain control module (PCM) (12A650)
  Fig 1: Keep Alive Power Wire Routing (KAPWR) Circuit Diagram

  Courtesy of FORD MOTOR CO.