Does the PID display Active?
Yes | GO to A5 |
|---|---|
No | DIAGNOSE the accessory delay relay. REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Diagnosis and Testing). |
A4 CHECK THE CONVERTIBLE TOP ACTIVATION UP (TOP_UP_SW) AND DOWN (TOP_DWN_SW) SWITCH PARAMETER IDENTIFICATIONS (PIDS)
Using a diagnostic scan tool, view the Moveable Roof Control Module A (MRCMA) TOP_UP_SW PID while pressing the convertible top UP switch. Using a diagnostic scan tool, view the Moveable Roof Control Module B (MRCMB) TOP_DWN_SW PID while pressing the convertible top DOWN switch.
Does the PID display Active when the switch is pressed and Inactive when the switch is released?
Yes | GO to A5 |
|---|---|
No | If the PID displays Active all the time, GO to Pinpoint Test E If the PID displays Inactive all the time, GO to A9 |
A5 CHECK THE MOVEABLE ROOF CONTROL MODULE A (MRCMA) VEHICLE SPEED (VSS) PID (PARAMETER IDENTIFICATION)
Using a diagnostic scan tool, view the Moveable Roof Control Module A (MRCMA) VSS PID.
Does the PID display less than 5 km/h (3 mph)?
Yes | GO to A6 |
|---|---|
No | DIAGNOSE the vehicle speed concern. REFER to: Electronic Engine Controls (303-14A Electronic Engine Controls - 2.3L EcoBoost (231kW/314PS), Diagnosis and Testing). REFER to: Electronic Engine Controls (303-14B Electronic Engine Controls - 3.7L Duratec (227kW/301PS), Diagnosis and Testing). REFER to: Electronic Engine Controls (303-14C Electronic Engine Controls - 5.0L 32V Ti-VCT/5.0L Ti-VCT V8 (308kW/418PS), Diagnosis and Testing). |
A6 CHECK THE MOVEABLE ROOF CONTROL MODULE A (MRCMA) FRONT LATCH SENSOR (FRNT_LATCH_S) PID (PARAMETER IDENTIFICATION)
Using a diagnostic scan tool, view the Moveable Roof Control Module A (MRCMA) FRNT_LATCH_S PID.
Does the PID display Inactive with the top open and Active with the top closed?
Yes | GO to A7 |
|---|---|
No | GO to Pinpoint Test C |
A7 CHECK THE MOVEABLE ROOF CONTROL MODULE A (MRCMA) CONVERTIBLE TOP LATCH SENSOR VOLTAGE (LTCH_SNSR_V) PID (PARAMETER IDENTIFICATION)
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.