Diagnostic Flow Table

SPECIAL TOOL(S)

Courtesy of FORD MOTOR CO.

Vehicle Communication Module (VCM) and Integrated Diagnostic System (IDS) software with appropriate hardware, or equivalent scan tool

Prior to carrying out the flow test, the following items should be checked:

Know and understand the customer concerns.
Check the fluid level and condition.
Verify the concern by operating the vehicle.
Check for non-factory installed items and verify correct installation.
Check the shift linkage adjustments.
Check TSBs for vehicle concerns.
Carry out quick test both KOER and KOEO.
Record all codes.
Verify that the vehicle transmission control module (TCM) is at the latest calibration release level.

DIAGNOSTIC FLOW TABLE

Diagnostic Flow Table
1) Did you record any Diagnostic Trouble Codes?	Yes	REPAIR all hard non-transmission DTCs first. REFER to the appropriate pinpoint tests listed in INTRODUCTION - GASOLINE article for diagnosis and repair of non-transmission DTCs. Then for Transmission DTCs follow the pinpoint tests. GO to Step 2.
1) Did you record any Diagnostic Trouble Codes?	No	REFER to DIAGNOSIS BY SYMPTOM , then GO to Step 5.
2) Are any continuous test memory codes present?	Yes	CLEAR codes and CARRY OUT drive cycle test, then GO to Step 3.
2) Are any continuous test memory codes present?	No	GO to Step 4.
3) Did the continuous test memory codes reappear?	Yes	REPAIR all hard non-transmission DTCs first. REFER to the appropriate pinpoint tests listed in INTRODUCTION - GASOLINE article for diagnosis and repair of non-transmission DTCs. Then for Transmission DTCs follow the pinpoint tests. GO to Step 4.
3) Did the continuous test memory codes reappear?	No	GO to Step 4.
4) Is the concern repaired?	Yes	CARRY OUT the final quick test to verify that no DTCs are present. CLEAR memory codes.
4) Is the concern repaired?	No	REFER to DIAGNOSIS BY SYMPTOM to diagnose and repair the concern, then GO to Step 5.
5) Is the concern repaired?	Yes	CARRY OUT the final quick test to verify that no DTCs are present. CLEAR memory codes.
5) Is the concern repaired?	No	Concern should have been repaired. GO back through the Diagnostic Flow Table and review other components that may have contributed to the concern. CHECK and diagnose those components. Get assistance from other sources.