Either Of Driver Or Passenger Power Mirror Cannot Be Adjusted Manually

WARNING: This page is about a different car, the 2005 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ACTIVE TEST BY LEXUS HAND-HELD TESTER
1. OK-A: CHECK AND REPLACE OUTER MIRROR CONTROL ECU ASSY
2. OK-B: CHECK AND REPLACE OUTER MIRROR CONTROL ECU ASSY
3. NG: GO TO NEXT STEP.
INSPECT OUTER MIRROR SWITCH ASSY
1. NG: REPLACE OUTER MIRROR SWITCH ASSY
2. OK: Go to next step.
CHECK WIRE HARNESS
1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
2. OK: Go to next step.
INSPECT OUTER REAR VIEW MIRROR ASSY
1. NG-A: REPLACE OUTER REAR VIEW MIRROR ASSY LH
2. NG-B: REPLACE OUTER REAR VIEW MIRROR ASSY RH
3. OK: REPLACE OUTER MIRROR CONTROL ECU ASSY