FORD LDM Localization

The following frame describes the signals being reported by the LDM
• Name: Node Status Message
• Size: 8 Byte
• Type: Node Status
• Identifier: See Header ID Table in Status Frame
• Sampling: <250 mS
• Signal names are prefixed in the BCM with xx_EEL_ with the xx representing the position callout for each module.

Table 32: LIN Node Regular Status Frame

Table 33: Node Status Signal Description
Node Lighting Module Node Status Frame – LDM Signal Descriptions:

Node: WFSubstate_Status
This signal identifies the LDM operational status for Welcome/Farewell lamp control (Not Ignition On). As the LIN bus powers up the BCM will pace its command output based on readiness signaled in the WFSubstate_Status from the LDMs.
On power up or internal Reset, the LDM/FCM will set its WFSubstate_Status to Reset and will present this in the LDM status message until conditions have been met to allow sequencing thru the normal functions. See the WF State Transition Diagram. During normal operation, this transition should be seamless. If the LDM goes thru spurious Reset, this flow will provide a controlled startup of the LDM.

Node: LDM_Loadx (x = 0 to 4)
LDM_Load0 thru LDM_Load4 provide extended Load Fault Identification, allowing identification of the specific load(s) that are triggering the J2602 External Fault condition.

Load0: Static Bending light
Load1: LB
Load2: HB
Load3: TI
Load4: DRL

Node: IntVfStat(Not in Scope of LDM 4.x and set it to 0x00)

Node: ExtVfStat (Not in scope of LDM 4.x and set it to 0x00)

Node: Fade_Active(set it to 0x00)

Node: LowBeam_Outage_Status
This signal shall report the LDM output fault, detail please refer to LDM failure Mode&Diagnostic report.xlsx.

Node: Headlamp_Failure
This signal identifies an AFS failure for telltale support. It shall be set to 0x00 because this LDM can’t support AFS function currently.

Node: LED_Temp_Not_Idle(set it to 0x00)