Chart Directions

Diagnosis by Symptom Index - Directions
1. Using the Symptom Index, select the Concern/Symptom that best describes the condition. Chart Index
2. Refer to the routine indicated in the Diagnosis by Symptom Index.
3. Always begin diagnosis of a symptom with:
a. Preliminary inspections.
b. Verifications of condition.
c. Checking the fluid levels.
d. Carrying out other test procedures as directed.

4. NOTE: Not all concerns and conditions with electrical components will set a Diagnostic Trouble Code (DTC). Be aware that the components listed may still be the cause, Verify correct function of these components prior to proceeding to the Hydraulic/Mechanical Components listed.

Begin with the Electrical components, if indicated. Follow the reference or action statements. Always carry out the on-board diagnostic tests as necessary. Never skip steps. Repair as necessary. If the concern is still present after electrical diagnosis, then proceed to the Hydraulic/Mechanical Components listed.
5. The Hydraulic/Mechanical Components list possible hydraulic or mechanical components that could cause the concern. These components are listed in the removal sequence and by most probable cause. All components listed must be inspected to ensure correct repair.