PINPOINT TEST T : THE SCME (FRONT SEAT CLIMATE CONTROL MODULE) DOES NOT RESPOND
TO THE DIAGNOSTIC SCAN TOOL
T1 CHECK THE SCME (FRONT SEAT CLIMATE CONTROL MODULE) VOLTAGE SUPPLY CIRCUITS FOR AN OPEN
Ignition OFF. Disconnect: SCME C3265A. Ignition ON. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C3265A-E | Ground | |
C3265A-F | Ground |
Are the voltages greater than 11 volts?
Yes | GO to T2 |
|---|---|
No | VERIFY the BJB fuse 14 (30A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short. |
T2 CHECK THE SCME (FRONT SEAT CLIMATE CONTROL MODULE) GROUND CIRCUIT FOR AN OPEN
Ignition OFF. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C3265A-M | Ground |
Is the resistance less than 3 ohms?
Yes | GO to T3 |
|---|---|
No | REPAIR the circuit. |
T3 CHECK THE MS-CAN (MEDIUM SPEED-CONTROLLER AREA NETWORK) CIRCUITS BETWEEN THE SCME (FRONT SEAT CLIMATE CONTROL MODULE) AND THE GWM (GATEWAY MODULE A) FOR AN OPEN
Disconnect: SCME C3265C Disconnect: GWM C2431. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C3265C-1 | C2431-23 |
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.