F5 CHECK THE GENERATOR COMMAND CIRCUIT FOR A SHORT TO VOLTAGE
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C102B-2 | Ground |
Is any voltage present?
Yes | REPAIR the circuit. |
|---|---|
No | GO to F6 |
F6 CHECK THE GENERATOR COMMAND CIRCUIT FOR A SHORT TO GROUND
Ignition OFF. Perform a wiggle test on the generator wiring and measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C102B-2 | Ground |
Is the resistance greater than 10,000 ohms?
Yes | GO to F7 |
|---|---|
No | REPAIR the circuit. |
F7 CHECK THE GENERATOR COMMAND CIRCUIT FOR AN OPEN
Perform a wiggle test on the generator wiring and measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C175B-13 | C102B-2 |
Is the resistance less than 3 ohms?
Yes | GO to F8 |
|---|---|
No | REPAIR the circuit. |
F8 COMPARE THE GENERATOR MONITOR (GENMON) AND GENERATOR COMMAND (GENCMD) PIDS
Ignition OFF. Connect PCM C175B. Connect a fused jumper wire:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C102B-1 | C102B-2 |
Start the engine. Using a diagnostic scan tool, view PCM Parameter Identifications (PIDs). Monitor the PCM Parameter Identifications (PIDs) GENMON and GENCMD. Perform a wiggle test of the generator wiring and connections.
Do the Parameter Identifications (PIDs) read within 5% of each other?
Yes | REMOVE the fused jumper wire. INSTALL a new generator. REFER to: Generator - 5.0L 32V Ti-VCT (414-02 Generator and Regulator, Removal and Installation). |
|---|---|
No | REMOVE the fused jumper wire. GO to F9 |
F9 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION
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.