Check Lumbar Support Circuit

AUTOMATIC DRIVE POSITIONER


Check Lumbar Support Circuit

1.CHECK LUMBAR SUPPORT SWITCH
1. Turn ignition switch OFF.
2. Disconnect lumbar support switch connector.





3. Check voltage between lumbar support switch connector and ground.





OK or NG
OK - GO TO 2.
NG - Repair or replace harness between fuse block (J/B) and lumbar support switch.
2.CHECK LUMBAR SUPPORT SWITCH
Check continuity lumbar support switch connector.










OK or NG
OK - GO TO 3.
NG - Replace lumbar support switch.
3.CHECK LUMBAR SUPPORT MOTOR HARNESS
1. Disconnect lumbar support motor connector.





2. Check continuity between lumbar support switch connector and lumbar support motor connector.





3. Check continuity between lumbar support switch connector and ground.





OK or NG
OK - GO TO 4.
NG - Repair or replace harness.
4.CHECK LUMBAR SUPPORT SWITCH GROUND CIRCUIT





Check continuity between lumbar support switch connector and ground.





OK or NG
OK - Check the condition of the harness and connector.
NG - Repair or replace harness between lumbar support switch and ground.