Symptom Troubleshooting [Power Systems)

• Steering Column Switches
  • Principles of Operation
    • Notes
    • Steering Column Switches
    • Ignition Switch
    • Multifunction Switch
    • Key Release Interlock Actuator
  • Inspection and Verification
    • Notes
    • Ignition Switch Mechanical Check
    • Smart Junction Box (SJB) DTC Chart
• Symptom Troubleshooting Chart - Power Systems
• Connector End Views - Power Systems
• Pinpoint Test 1: No Power In All Ignition Switch Positions
  • Normal Operation
    • Notes
    • Possible Causes
  • Diagnostic Procedure
• Pinpoint Test 2: No Power In Acc
  • Normal Operation
    • Notes
    • Possible Causes
  • Diagnostic Procedures
• Pinpoint Test 3: No Power In Run
  • Normal Operation
    • Notes
    • Possible Causes
  • Diagnostic Procedure
• Pinpoint Test 4: No Power In Start
  • Normal Operation
    • Notes
    • Possible Causes
  • Diagnostic Procedure
• Pinpoint Test 5: DTC B2A20 - Ignition Stuck In Start
  • Normal Operation
    • Notes
    • Possible Causes
  • Diagnostic Procedure
• PINPOINT TEST 6: DTCs B2844 AND U2472 - IGNITION FAULT AND UNEXPECTED IGNITION STATE
  • Normal Operation
    • Notes
    • Possible Causes
  • Diagnostic Procedure
• Pinpoint Test 7: DTC B1352 - Ignition Key-In Circuit Failure, The Ignition Key Cannot Be Removed From The Ignition Cylinder Or The Ignition Key Can Be Removed From The Ignition Cylinder Regardless Of Gear Selector Position
  • Normal Operation
    • Notes
    • Possible Causes
  • Diagnostic Procedure
• Component Test - Ignition Switch, Mechanical