Yes | • For vehicles with the 2.3L EcoBoost (201kW/273PS), REFER to: Starting System (303-06A Starting System - 2.3L EcoBoost (231kW/314PS), Diagnosis and Testing). See PCM DTC Chart. • For vehicles with the 3.7L Duratec (227kW/301PS), REFER to: Starting System (303-06B Starting System - 3.7L Duratec (227kW/301PS), Diagnosis and Testing). See PCM DTC Chart. • For vehicles with the 5.0L 32V Ti-VCT, REFER to: Starting System (303-06C Starting System - 5.0L 32V Ti-VCT/5.0L Ti-VCT V8 (308kW/418PS), Diagnosis and Testing). See PCM DTC Chart. • For vehicles with the 5.2L, REFER to: Starting System (303-06D Starting System - 5.2L 32V Ti-VCT, Diagnosis and Testing). See PCM DTC Chart. |
|---|---|
No | GO to G3 |
G3 CHECK THE START SENSE CIRCUIT FOR A SHORT TO VOLTAGE
Ignition OFF. Disconnect: ACM C240A. Disconnect: BJB Starter Relay. Disconnect: PCM C175B. Ignition ON. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C240A-3 | Ground |
Is any voltage present?
Yes | REPAIR the circuit. |
|---|---|
No | GO to G4 |
G4 CHECK FOR CORRECT ACM (AUDIO FRONT CONTROL MODULE) OPERATION
Ignition OFF. Disconnect and inspect all the ACM connectors. Repair:
Corrosion (clean module pins or install new connectors or terminals) Damaged or bent pins (install new terminals or pins) Pushed-out pins (install new pins as necessary)
Reconnect the ACM connectors. Make sure they seat and latch correctly. Operate the system and determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for
this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new ACM. REFER to: Audio Front Control Module (ACM) (415-00A Information and Entertainment
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.