Inspection Procedure
- Check voltage between terminal PVCC of Seat Position Control ECU connector and body ground.
PREPARATION:
Remove Seat Position Control ECU with connectors still connected.
CHECK:
While operating the Power Seat Control Switch and moving the seat, check voltage between terminal PVCC of Seat Position Control ECU connector and body ground.
OK:
Voltage: 7.2-8.8 V
Fig 1: Checking Voltage Between Terminal PVCC Of Seat Position Control ECU Connector And Body GroundCourtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- OK: Proceed to next circuit inspection shown on problem symptom table (See PROBLEM SYMPTOMS TABLE ).
- NG: Go to next step.
- Check harness and connector connected to terminal PVCC of Seat Position Control ECU (See HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS
).
CHECK:
Check for open or short in the harness and check connectors for the position sensor power source circuit outlined in the diagram with a thick line (-).
- NG: Repair or replace harness or connector.
- OK: Check and replace Seat Position Control ECU.