Is DTC B1836 also indicated?
YES -
Go to the DTC B1836 troubleshooting See: B1836.?
NO -
Go to step 6.
6. Check for DTCs with the HDS.
Are DTCs B1825, B1827 and/or B1828 also indicated?
YES -
Go to step 17.
NO -
Go to step 7.
7. Turn the ignition switch to LOCK (0) and then back to ON (II).
8. Operate the front up-down switch for 2 seconds, and check the front up-down motor operation.
Does the front up-down motor run smoothly?
YES -
Go to step 9.
NO -
Go to step 26.
9. Turn the ignition switch to LOCK (0).
10. Disconnect power seat control unit connector A (40P).
11. Disconnect the front up-down position sensor 4P connector.
12. Check for continuity between power seat control unit connector A (40P) terminals No. 12 and No. 29 and front up-down position sensor 4P
connector terminals No. 2 and No. 3 respectively.
Is there continuity?
YES -
Go to step 13.
NO -
Repair an open in the wire.?
13. Check for continuity between power seat control unit connector A (40P) terminal No. 12 and body ground.
