Highlander 2WD V6-3.3L (3MZ-FE) (2004)
Power Door Lock Control Module: Testing and Inspection
1. POWER WINDOW REGULATOR MASTER SWITCH ASSY (DOOR ECU)
a. Disconnect the master switch connector.
Terminals Of ECU/pinouts
b. Check the voltage or continuity of each terminal of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
2. BODY ECU
a. Disconnect the body ECU connectors B12, B10 and B9.