Pinpoint Test BC : The Ignition-Engine On Warning Chime Is Inoperative
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
- BC1 CHECK THE SEATBELT WARNING CHIME OPERATION
- Ignition OFF.
- Ignition ON.
- Unbuckle the driver seatbelt.
- Monitor the seatbelt warning chime when the ignition is transitioned from OFF to RUN for 6 seconds.
Does the seatbelt warning chime operate for approximately 6 seconds?
Yes GO to BC2 No GO to Pinpoint Test BJ - BC2 CHECK THE DOOR AJAR INDICATION
- Open the driver door.
- Observe the door ajar warning indicator or door ajar RTT warning indicator.
Does the door ajar warning indicator or door ajar RTT warning indicator turn on with the driver door ajar?
Yes GO to BC3 No DIAGNOSE the door ajar RTT warning indicator, GO to Pinpoint Test AG - BC3 CHECK THE PRNDL OPERATION
- Shift the transmission through the ranges while observing the PRNDL indication.
Does the PRNDL indication match the selected transmission range?
Yes GO to BC4 No GO to Pinpoint Test N - BC4 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
- Using a diagnostic scan tool, perform the IPC self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to DTC Chart: Instrument Panel Cluster (IPC) No GO to BC5 - BC5 PERFORM THE BCM (BODY CONTROL MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the BCM self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Body Control Module (BCM) . No GO to BC6 - BC6 PERFORM THE TCM (TRANSMISSION CONTROL MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the TCM self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Diagnostic Trouble Code (DTC) Charts and Pinpoint Tests - 3.5L EcoBoost (272kW/370PS) . No GO to BC7 - BC7 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) KOEO (KEY ON, ENGINE OFF) SELF-TEST
- Using a diagnostic scan tool, perform the PCM KOEO self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Electronic Engine Controls . No GO to BC8 - BC8 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Communications Network . No INSTALL a new BCM. Refer to: Body Control Module (BCM) .