Convertible Top — 2016 workshop reference 1545

probe adapter(s) may cause damage to the connector.

E1 CHECK FOR RETURNING DIAGNOSTIC TROUBLE CODES (DTCS)

Using a diagnostic scan tool, clear the Moveable Roof Control Module A (MRCMA) and Moveable Roof Control Module B (MRCMB) Diagnostic Trouble Codes (DTCs). Ignition OFF. Ignition ON. Attempt to open and close the convertible top using the convertible top switch. Using a diagnostic scan tool, carry out the Moveable Roof Control Module A (MRCMA) and Moveable Roof Control Module B (MRCMB) self-tests.

Does DTC B1267:24, B1268:24 or U2013:64 return?

Yes	If DTC B1267:24 or U2013:64 is present, GO to E2 If DTC B1268:24 is present, GO to E3
No	The condition that caused the DTC to set is not present at this time. The concern may have been caused by a loose or corroded electrical connector or an intermittent concern. DISCONNECT and INSPECT convertible top switch C9013, Moveable Roof Control Module A (MRCMA) C4830 and Moveable Roof Control Module B (MRCMB) C4831 for corrosion, bent pins, pushed-out pins and spread terminals. REPAIR or INSTALL new components as necessary. For all other Moveable Roof Control Module A (MRCMA) and Moveable Roof Control Module B (MRCMB) Diagnostic Trouble Codes (DTCs), GO to the DTC Chart: Moveable Roof Control Module A (MRCMA) or Moveable Roof Control Module B (MRCMB).

Yes

If DTC B1267:24 or U2013:64 is present, GO to E2 If DTC B1268:24 is present, GO to E3

The condition that caused the DTC to set is not present at this time. The concern may have been caused by a loose or corroded electrical connector or an intermittent concern. DISCONNECT and INSPECT convertible top switch C9013, Moveable Roof Control Module A (MRCMA) C4830 and Moveable Roof Control Module B (MRCMB) C4831 for corrosion, bent pins, pushed-out pins and spread terminals. REPAIR or INSTALL new components as necessary. For all other Moveable Roof Control Module A (MRCMA) and Moveable Roof Control Module B (MRCMB) Diagnostic Trouble Codes (DTCs), GO to the DTC Chart: Moveable Roof Control Module A (MRCMA) or Moveable Roof Control Module B (MRCMB).

E2 CHECK THE CONVERTIBLE TOP SWITCH UP CIRCUIT FOR A SHORT TO GROUND

Ignition OFF. Disconnect Moveable Roof Control Module A (MRCMA) C4830. Disconnect convertible top switch C9013. Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C4830-8		Ground

Is the resistance greater than 10,000 ohms?

Yes	If DTC U2013:64 is not present, INSTALL a new convertible top switch. REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). If DTC U2013:64 is present, GO to E3
No	REPAIR the circuit.

Yes

If DTC U2013:64 is not present, INSTALL a new convertible top switch. REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation).

If DTC U2013:64 is present, GO to E3

REPAIR the circuit.

E3 CHECK THE CONVERTIBLE TOP SWITCH DOWN CIRCUIT FOR A SHORT TO GROUND

Ignition OFF. Disconnect Moveable Roof Control Module B (MRCMB) C4831. Disconnect convertible top switch C9013. Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead

Source reference 1545

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.