No | The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues. |
|---|
Unable To Duplicate The Customer Concern And No Diagnostic Trouble Codes (DTCs) Present
This diagnostic procedure tests the functions of the HVAC system and identifies the correct HVAC symptom pinpoint test.
Normal Operation and Fault Conditions
System Operation REFER to: Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - System Operation and Component Description (412-00 Climate Control System - General Information, Description and Operation).
PINPOINT TEST C : UNABLE TO DUPLICATE THE CUSTOMER CONCERN AND NO
DIAGNOSTIC TROUBLE CODES (DTCS) PRESENT
C1 CHECK THE PCM (POWERTRAIN CONTROL MODULE) FOR DIAGNOSTIC TROUBLE CODES (DTCS)
Ignition ON. Using a scan tool, perform PCM self-test.
Are any climate control related Diagnostic Trouble Codes (DTCs) present?
Yes | REFER to the PCM DTC chart in this section. | |
|---|---|---|
No | GO to C2 | |
C2 CHECK THE FCIM (FRONT CONTROLS INTERFACE MODULE) FOR DIAGNOSTIC TROUBLE CODES (DTCS)
Ignition ON. Using a diagnostic scan tool, perform FCIM self-test.
Are any Diagnostic Trouble Codes (DTCs) present?
Yes | REFER to the FCIM DTC chart in this section. | |
|---|---|---|
No | GO to C3 | |
C3 CHECK THE BLOWER MOTOR OPERATION
Ignition ON. Select panel mode. Observe blower motor operation and select each blower motor speed.
Does the blower motor operate in all ranges?
Original table alignment retained · Scroll horizontally if needed
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.