Pinpoint Test B: Unable To Turn The Ignition On
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Normal Operation and Fault Conditions
REFER to: Passive Anti-Theft System (PATS) - System Operation and Component Description .
Possible Sources
- Battery voltage concern
- PCM concern
- SOBDMC (if equipped) concern
- PATS concern
- ABS module concern
- B1 CHECK VEHICLE BATTERY
- Perform the Battery Condition Test. REFER to: Battery .
Is the battery OK?
Yes GO to B2 No CORRECT the battery condition and VERIFY correct charging operation. REFER to: Battery . - B2 CHECK FOR THE NO KEY DETECTED MESSAGE
- Press and release the START/STOP button while monitoring the IPC message center.
Is the No Key Detected message displayed in the IPC message center?
Yes GO to Pinpoint Test A No GO to B3 - B3 CHECK FOR IGNITION ON MODE
- Press and release the START/STOP button while monitoring the ignition mode indicator at the top of the button.
Does the ignition mode indicator flash on and off continuously?
Yes The condition is not PATS-related. DIAGNOSE no power in ON. REFER to: Steering Wheel and Column Electrical Components . . No GO to B4 - B4 CHECK FOR BCM (BODY CONTROL MODULE), PCM (POWERTRAIN CONTROL MODULE) AND SOBDMC (SECONDARY ON-BOARD DIAGNOSTIC CONTROL MODULE C) (IF EQUIPPED) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, perform the BCM self-test.
- Using a diagnostic scan tool, perform the PCM and SOBDMC (if equipped) self-test.
Are any BCM or PCM Diagnostic Trouble Codes (DTCs) present?
Yes REFER to the DTC Chart(s) No The condition is not PATS-related. DIAGNOSE no power in ON. REFER to: Steering Wheel and Column Electrical Components . .