FixVault

Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Verify that no DTCs are set.
    • Go to next step: If no DTC is set 
  3. {If available}Verify the scan tool parameter:Park/Neutral Position Switch=Park
    • Go to next step: If the specified state 
  4. Ignition - Crank

    Verify the scan tool parameter:

    1. { Without BTM }5V Ignition Switch=Crank Request
    2. Accessory=Inactive
    3. { With BTM }Engine Control Module - Power Mode=Crank Request
    • Go to next step: If the specified state 
  5. Verify the scan tool parameter:Crankshaft Position Active Counter=Does not Increment
    • If the parameter value increments 

      Replace the component:B26 Crankshaft Position Sensor

    • Go to next step: If the parameter value does not increment 
  6. Verify the component works as specified:Engine - Rotate(s)
    • If the component does not work as specified 

      Verify the following conditions do not exist:

    1. Accessory drive belt component - Seized
    2. Engine - Seized
    • Go to next step: If the component works as specified 
  7. Ignition - Crank

    Verify the component works as specified:

    • M64 Starter Motor=Activated - Rotate(s)
    • Engine=Cranking
    • {M64 Starter Motor Rotate(s) & Starter Pinion Clicks}If the component does not work as specified 

      Refer to: Circuit/System Testing

    • Go to next step: If the component works as specified 
  8. All OK.