Electronic Component Malfunctions
Component/System
| Can Effect
|
This table gives some general information about electronic component
malfunctions. Use this information to become familiar with possible conditions
caused by transmission/vehicle electrical components. Refer to the Diagnosis
Tables for more specific information.
|
3-2 Shift Solenoid Valve Assembly
|
| • | Gear application (third gear only) |
| • | 3-2 Downshifts (flare or tie-up) |
|
Acceleration
Slip Regulation (ASR)
| Downshifts
|
Automatic Transmission Fluid Temperature (TFT) Sensor
|
| • | TCC Sol. Valve control (On or Off) |
| • | Shift quality (harsh or soft) |
|
Automatic
Transmission Vehicle Speed Sensor
|
| • | Shift Pattern (erratic) |
| • | TCC Sol. Valve apply (at wrong time) |
| • | Shift quality (harsh or soft) |
|
Brake
Switch
|
| • | No 4th gear if in hot mode |
|
Cruise
Control
| Delays 3-4 upshift
and TCC apply during heavy throttle
|
Engine Coolant Temperature Sensor
|
| • | TCC Sol. Valve control (no apply). |
|
Pressure
Control Solenoid
|
| • | Line pressure (high or low). |
| • | Shift quality (harsh or soft) |
|
Shift
Solenoid Valves
| Gear
application (wrong gear, only two gears, no shift)
|
System Voltage
|
| • | Gear application (third gear only) |
| • | No 4th gear if in hot mode) |
|
TCC
Sol. Valve
|
| • | TCC Sol. Valve apply (no apply) |
| • | No 4th gear if in hot mode |
|
Throttle
Position Sensor
|
| • | Shift Pattern (erratic) |
| • | Shift quality (firm or soft) |
|
Transmission
Fluid Pressure (TFP) Manual Valve Position Switch
|
| • | TCC Sol. Valve apply (no apply if diagnostic code is set) |
| • | Shift pattern (no fourth gear in hot mode) |
| • | Manual downshift (erratic) |
|
