MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Body & Paint

Front Seats

501-10A Front Seats

2016 MustangReference 994 / 6,619HTML edition
← Chapter contentsProcedure contents

Positive Lead

Measurement / Action

Negative Lead

C352-6

Ground

C352-10

Ground

Are the resistances greater than 10,000 ohms?

Yes

GO to C8

No

REPAIR the circuit in question. GO to C28

C8 CHECK THE CIRCUITS BETWEEN THE SEAT CONTROL SWITCH AND DSM (DRIVER FRONT SEAT MODULE) FOR AN OPEN

Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C352-8

C341B-17

C352-1

C341B-18

C352-5

C341B-16

C352-2

C341B-6

C352-6

C341B-15

C352-10

C341B-5

Are the resistances less than 3 ohms?

Yes

GO to C27

No

REPAIR the circuit in question. GO to C28

C9 CHECK THE SEAT TRACK OPERATION USING DSM (DRIVER FRONT SEAT MODULE) ACTIVE COMMANDS AND PARAMETER IDENTIFICATIONS (PIDS)

Toggle the following DSM active commands ON and OFF using a diagnostic scan tool while monitoring the seat movement:

Front Motor Up (FRONT_UP) Front Motor Down (FRONT_DWN) Rear Motor Up (REAR_UP) Rear motor down (REAR_DWN) Horizontal Motor Forward (HORZ_FWD) Horizontal Motor Backward (HORZ_BWD)

Does the driver seat operate correctly?

Yes

The condition may be intermittent. CHECK for causes of an intermittent concern, particularly the pins and terminals of electrical connectors that were disconnected. Do not install any new components at this time. Components should only be installed when directed to do so in the pinpoint test. REPAIR any intermittent wiring, terminal or connector concerns found. GO to C28

No

If no seat movement, GO to C10 If no front vertical seat movement, GO to C18 If no rear vertical seat movement, GO to C21 If no horizontal seat movement, GO to C24

C10 CHECK FOR VOLTAGE TO THE DSM (DRIVER FRONT SEAT MODULE)

Ignition OFF. Disconnect: DSM C341A and C341B. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C341A-1

Ground

Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C341B-1

Ground

Are the voltages greater than 11 volts?

Source reference 994

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.