Remote Control Mirror Ecu Circuit: Lx470
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 Lexus RX 300, 2001 Lexus LX 470, 2001 Lexus IS 300, 2001 Lexus GS 430, and 2001 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect remote control mirror ECU harness connectors. Using an ohmmeter, check for continuity between specified remote control mirror ECU connector terminals (harness side) within specified conditions. See REMOTE CONTROL MIRROR ECU CIRCUIT CONTINUITY (LX470) table. See Fig 1. If continuity does not exist, repair wiring harness as necessary. If continuity exists, check remote control mirror ECU. See REMOTE CONTROL MIRROR ECU PIN VOLTAGES under COMPONENT TESTS.
REMOTE CONTROL MIRROR ECU CIRCUIT CONTINUITY (LX470)
| Condition | Continuity Between Terminals No. | |
|---|---|---|
| All Conditions | 7 & 19; 10 & 11; 10 & 12; 14 & Ground; 22 & 23; 23 & 24 | |
| Left Switch | ||
| Up | 6 & 17 | |
| Down | 6 & 16 | |
| Left | 4 & 17 | |
| Right | 4 & 16 | |
| Right Switch | ||
| Up | 5 & 17 | |
| Down | 5 & 16 | |
| Left | 3 & 17 | |
| Right | 3 & 16 | |