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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 862 (Starting System - F-150 & Mark LT) >> Diagnostic Tests >> Starting System >> Pinpoint Tests >> Pinpoint Test A: The Engine Does Not Crank and the Relay Does Click (All Vehicles) >> Pinpoint Test A: The Engine Does Not Crank And The Relay Does Click (All Vehicles)

Pinpoint Test A: The Engine Does Not Crank And The Relay Does Click (All Vehicles)

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
  1. A1 CHECK THE BATTERY 
    1. YES  : Go to  A2.
    2. NO  : CHARGE or INSTALL a new battery as required. TEST the system for normal operation.
  2. A2 CHECK THE VOLTAGE TO THE STARTER MOTOR SOLENOID 
    • Measure the voltage between the starter motor solenoid positive terminal circuit 2037 (RD) and ground.
      Fig 1: Checking Voltage To Starter Motor Solenoid
      GF0002862Courtesy of FORD MOTOR CO.
    • Is the voltage 10 volts or greater? 
    1. YES  : Go to  A3.
    2. NO  : REPAIR circuit 2037 (RD) for an open. TEST the system for normal operation.
  3. A3 MANUALLY JUMP THE STARTER MOTOR 
    • Connect one end of a fused (15A) jumper wire to the positive terminal of the battery and touch the other end to the starter solenoid S-terminal circuit 113 (YE/LB).
      Fig 2: Manually Jump Starter Motor
      GF0002863Courtesy of FORD MOTOR CO.
    • Does the starter solenoid engage and starter motor crank? 
    1. YES  : Go to  A4.
    2. NO  : INSTALL a new starter motor. REFER to Starter Motor - 4.2L  or Starter Motor - 4.6L, 5.4L  in this article. TEST the system for normal operation.
  4. A4 TEST THE STARTER MOTOR RELAY 
    • Carry out the Relay Component Test on the starter motor relay. Refer to COMPONENT TESTING.
    • Does the starter motor relay test good? 
    1. YES  : REPAIR circuit 113 (YE/LB) for an open. TEST the system for normal operation.
    2. NO  : INSTALL a new starter motor relay. TEST the system for normal operation.