Diagnostic Flow Chart

DIAGNOSTIC FLOW CHART

Diagnostic Flow Chart
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 and OASIS messages for vehicle concerns. Carry out quick test both KOER and KOEO. Record all codes.
1) Did you record any Diagnostic Trouble Codes?	Yes	REPAIR all hard non-transmission Diagnostic Trouble Codes first. REFER to the appropriate PINPOINT TESTS listed in the INTRODUCTION - GASOLINE article for diagnosis and repair of non-transmission DTCs. Then for Transmission DTCs follow the pinpoint tests in this section. 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 Diagnostic Trouble Codes first. REFER to the appropriate PINPOINT TESTS listed in the INTRODUCTION - GASOLINE article for diagnosis and repair of non-transmission DTCs. Then for Transmission DTCs follow the pinpoint tests in this section. 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 Diagnostic Trouble Codes (DTC) 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 diagnostic trouble codes are present. CLEAR memory codes.
5) Is the concern repaired?	No	GET assistance from Technical Hotline.