MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Body & Paint

Locks, Latches and Entry Systems

501-14 Handles, Locks, Latches and Entry Systems

2016 MustangReference 1,391 / 6,619HTML edition
← Chapter contentsProcedure contents

Ignition OFF. Disconnect DDM C501A (left front door indicator). Disconnect PDM C652A (right front door indicator). Measure:

Click to display connectors

Left Front Door

Positive Lead

Measurement / Action

Negative Lead

C501A-3

Ground

Click to display connectors

Right Front Door

Positive Lead

Measurement / Action

Negative Lead

C652A-3

Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to L13

No

REPAIR the circuit.

L13 CHECK THE DOOR LOCK INDICATOR VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Measure:

Click to display connectors

Left Front Door

Positive Lead

Measurement / Action

Negative Lead

C501A-3

C573-6

Click to display connectors

Right Front Door

Positive Lead

Measurement / Action

Negative Lead

C652A-3

C649-6

Is the resistance less than 3 ohms?

Yes

For a left front door indicator, GO to L15 For a right front door indicator, GO to L14

No

REPAIR the circuit.

L14 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION

Disconnect and inspect all the PDM connectors. Repair:

corrosion (install new connectors or terminals - clean module pins) damaged or bent pins - install new terminals pins pushed-out pins - install new pins as necessary

Reconnect the PDM connectors and 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 PDM. REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

No

The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

L15 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION

Source reference 1391

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.