Diagnostic Category
| Diagnostic Information
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DEFINITION: This table consists of eight diagnostic categories
that are located in the left-hand column. Using this column, choose the appropriate
category based on the operating conditions of the vehicle or transmission.
After selecting a category, use the right-hand column to locate the specific
symptom diagnostic information.
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Fluid DiagnosisThis category contains the following topics:
• | Fluid condition - appearance, contaminants, smell, overheating |
• | Line pressure - high or low |
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Noise and Vibration DiagnosisThis category contains the following topics:
• | Noise - drive gear, final drive, whine, growl, hum, rattle,
buzz, popping |
• | Torque converter diagnosis |
• | Noise and vibration analysis |
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Range Performance DiagnosisThis category contains the following topics:
• | Range selector displays incorrect range |
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Shift Quality (Feel) DiagnosisThis category contains the following topics:
• | Harsh engagement, garage shifts |
• | Delayed engagement, garage shifts |
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Slipping or Missing GearsThis category contains the following topics:
• | Slipping or missing gears |
• | One forward gear only |
• | Two forward gears only |
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Shift Speed DiagnosisThis category contains the following topic:
Incorrect shift points
| Refer to
High or Low Upshift or Downshift Speed
.
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Torque Converter DiagnosisThis category contains the following topics:
• | Torque converter diagnosis |
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Symptom Can Not Be Duplicated or Symptom Not FoundThis category contains the following topics:
• | Transmission fluid diagnosis |
• | Line pressure diagnosis |
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