Inspection Procedure
- INSPECT FRONT POWER SEAT SWITCH (MEMORY SEAT ECU AND SW)
- Disconnect the front power seat switch connectors.
- Measure the voltage according to the value (s) in the table below.
Standard:
Driver Side:
CHECKING VOLTAGE CONDITIONTester Connection Condition Specified Condition M6-4 (IG) - Body ground Ignition switch ON 10 to 14V M6-8 (SYSB) - Body ground Always 10 to 14V M7-5 (+B) - Body ground Always 10 to 14V Front Passenger Side:
CHECKING VOLTAGETester Connection Condition Specified Condition M8-4 (IG) - Body ground Ignition switch ON 10 to 14V M8-8 (SYSB) - Body ground Always 10 to 14V M9-5 (+B) - Body ground Always 10 to 14V Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
OK: Go To Next Step.
- INSPECT FRONT POWER SEAT SWITCH (MEMORY SEAT ECU AND SW)
- Measure the resistance according to the value (s) in the table below.
Standard:
Driver Side:
CHECKING RESISTANCETester Connection Condition Specified Condition M7-1 (GND) - Body ground Always Below 1 Ω Front Passenger Side:
CHECKING RESISTANCETester Connection Condition Specified Condition M9-1 (GND) - Body ground Always Below 1 Ω NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT)
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE