
Hint:
Measurements cannot be performed on the c connector side of the power steering ecu.



If the result is not as specified, the ecu may have a malfunction.
Problem symptoms table
Diagnosis systemFront power seat lumbar switch
Inspection
Inspect front power seat lumbar switch lh
Measure the resistance between the terminals when
the switch is operated.
Standard resistance
If the result is not as specified, replace the switch. ...
Terminals of ecu
Check occupant classification ecu
Measure the voltage of the connector.
...
Precaution
Troubleshooting precaution
When there are malfunctions in the contact points of
the terminals or installation problems with any parts,
removal and installation of the suspected problem
parts may return the system to its normal condition
either entirely or temporarily.
In order to ...