| 214 - ELECTRICAL ROUTINE |
| Powertrain Control System |
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- Electrical inputs/outputs, vehicle wiring harnesses, powertrain control module, electronic pressure control (EPC) solenoid, transmission fluid temperature (TFT) sensor, throttle position (TP) sensor, mass air flow sensor (MAF), torque converter clutch (TCC) solenoid, transmission range (TR) sensor, 3-2T/CCS
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| 314 - HYDRAULIC/MECHANICAL ROUTINE |
| Fluid |
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| CV Joint/Front Wheel Driveshaft and Joints |
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- Inspect for damage. Repair as necessary.
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| Powertrain Mounts |
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- Inspect for damage. Repair as necessary.
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| Incorrect Pressures |
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- Check pressure at line tap. Carry out Line Pressure Test and Stall Speed Tests. Refer to SPECIAL TESTING PROCEDURES . If pressures are high or all shifts are harsh, go to MAIN CONTROL .
- If pressures are OK and a specific shift is harsh, refer to the appropriate shift routine for additional diagnosis.
- Harsh 1-2 Shift, Routine 232/332
- Harsh 2-3 Shift, Routine 233/333
- Harsh 3-4 Shift, Routine 234/334
- Harsh 4-3 Shift, Routine 235/335
- Harsh 3-2 Shift, Routine 236/336
- Harsh 2-1 Shift, Routine 237/337
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| Main Controls |
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- Bolts out of torque specification
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- Adjust bolts to specification.
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- Inspect for damage. Repair as necessary.
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- Main regulator valve, bypass valve, line modulator valve stuck, damaged or misassembled. Springs tangled, missing, damaged
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- Inspect for damage. Repair as necessary.
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- EPC solenoid stuck or damaged
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- Inspect for damage, contamination. Activate solenoid using Transmission Tester. Repair as necessary.
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- Hydraulic passages damaged
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- Inspect for damage. Repair as necessary.
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- Separator plate damaged, blocked
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- Inspect for damage. Repair as necessary.
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| Torque Converter Assembly |
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- Inspect for damage. Repair as necessary.
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- Pump support seal No. 1 (CBY circuit) leaking, missing or damaged
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- Inspect for damage. Repair as necessary.
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- Inspect for damage. Repair as necessary.
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- Converter assembly damaged
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- If heat stained, install a new converter.
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