MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Electrical Distribution

Communications Network

418-00 Module Communications Network

2016 MustangReference 5,930 / 6,619HTML edition
← Chapter contentsProcedure contents

AD4 CHECK THE HS-CAN1 (HIGH SPEED-CONTROLLER AREA NETWORK 1) (+) AND HS-CAN1 (HIGH SPEED-CONTROLLER AREA NETWORK 1) (-) CIRCUITS FOR A SHORT TO VOLTAGE

Connect the negative battery cable. Ignition ON. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C251-6

Ground

C251-14

Ground

Is the voltage greater than 6 volts on either circuit?

Yes

REPAIR the circuit in question.

No

GO to AD12

AD5 CHECK THE HS-CAN1 (HIGH SPEED-CONTROLLER AREA NETWORK 1) TERMINATION RESISTOR

Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C251-6

C251-14

Is the resistance between 108 and 132 ohms?

Yes

GO to AD6

No

GO to AD8

AD6 CHECK THE HS-CAN1 (HIGH SPEED-CONTROLLER AREA NETWORK 1) TERMINATION RESISTOR WITH THE PCM (POWERTRAIN CONTROL MODULE) DISCONNECTED

Disconnect: PCM C1551B (2.3L), C1381B (3.7L) or C175B (5.0L, 5.2L). Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C251-6

C251-14

Is the resistance between 108 and 132 ohms?

Yes

GO to AD7

No

GO to AD18

Source reference 5930

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.