Electrical Component Inspection

INSPECTION OF A/T CONTROL UNIT
- Measure voltage between each terminal and terminal (15) or (48) by following "A/T CONTROL UNIT INSPECTION TABLE". Preliminary Inspections
- Pin connector terminal layout.

A/T Control Unit Inspection Table, Part 1:

A/T Control Unit Inspection Table, Part 2:

A/T Control Unit Inspection Table, Part 3:

A/T Control Unit Inspection Table, Part 4:

A/T CONTROL UNIT INSPECTION TABLE. Preliminary Inspections
(Data are reference values.)

INHIBITOR SWITCH




1. Disconnect control cable from manual shaft.










2. Check continuity between terminals(1) and (3) and between terminals (4) and (2), (5), (6), (7), (8), (9) while moving selector lever through each range.




3. If N.G., adjust inhibitor switch.
4. Check terminal continuity again.
5. If N.G., replace inhibitor switch.







FLUID TEMPERATURE SENSOR
- For removal and installation, refer to "ON-VEHICLE SERVICE". On Vehicle Service
- Check resistance between two terminals while changing temperature as shown.







REVOLUTION SENSOR
- For removal and installation, refer to "ON-VEHICLE SERVICE". On Vehicle Service
- Check resistance between terminals (1) ,(2) and (3)




TIMING SOLENOID
- For removal and installation, refer to "ON-VEHICLE SERVICE". On Vehicle Service
- Check resistance between two terminals.

Resistance: Timing solenoid 20 - 40 Ohms







4-UNIT SOLENOID ASSEMBLY
(Shift solenoid A, B, lock-up solenoid and line pressure solenoid)
- For removal and installation, refer to "ON-VEHICLE SERVICE". On Vehicle Service
- Check resistance between terminals of each solenoid.




DROPPING RESISTOR
- Check resistance between two terminals

Resistance: 11.2 - 12.8 Ohms







OVERDRIVE SWITCH
- Check continuity between two terminals.