H4 CHECK THE PUMP MOTOR VOLTAGE SUPPLY TO THE ABS (ANTI-LOCK BRAKE SYSTEM) MODULE
Ignition OFF. Disconnect ABS module C135. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C135-1 | Ground |
Is the voltage greater than 11 volts?
Yes | GO to H5 |
|---|---|
No | VERIFY BJB fuse 5 (50A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams manual to identify the cause of the circuit short. |
H5 CHECK THE ABS (ANTI-LOCK BRAKE SYSTEM) MODULE GROUND CIRCUIT FOR AN OPEN
Ignition OFF. Disconnect the battery negative cable. REFER to: Battery Disconnect and Connect (414-01 Battery, Mounting and Cables, General Procedures). Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C135-14 | Ground |
Is the resistance less than 3 ohms?
Yes | GO to H6 |
|---|---|
No | REPAIR the circuit. |
H6 VERIFY ALL WIRING CONNECTIONS
Ignition OFF. Disconnect ABS module C135 (if not previously disconnected). Using a good light source, inspect ABS module C135 for the following:
corrosion - install a new connector or terminal and clean module pins damaged or bent pins - install new terminals or pins pushed-out pins - install new pins as necessary spread terminals - install new terminals as necessary
Are the connectors free of corrosion, damaged pins, bent pins, pushed-out pins and spread terminals?
Yes | GO to H7 |
|---|---|
No | REPAIR the affected connectors or terminals. Refer to Wiring Diagrams Cell 5 for schematic and connector information. |
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.